Mu Torere: A005655
mu(n): A008683 *
mu(n): see Moebius function
MU-numbers: A007335
mult: keyword meaning multiplicative, that is, a(m*n) = a(m)*a(n) whenever g.c.d.(m,n) = 1
multigraphs: (1) A000421 A001374 A001399 A002620 A003082 A004102 A004104 A004105 A005965 A005966 A007717 A014395
multigraphs: (2) A014396 A014397 A014398 A020554 A020555 A020556 A020557 A020558 A020559 A020560 A020561 A020562
multigraphs: (3) A020563 A020564 A020565 A050531 A050532 A050535 A050927 A050929 A050930 A052107 A052108 A052111
multigraphs: (4) A052112 A052113 A052114 A052151 A052152 A052170 A052171 A053400 A053420 A053421 A053465 A053466
multigraphs: (5) A053467 A053468 A053513 A053514 A053515 A053516 A053517 A053588 A063841 * A063842 A063843
Multinomial coefficients:: A005651
Multiplication-cost:: A005766
Multiplicative encodings:: A007280 , A007188 , A007190 , A007189 , A007338
multiplicative means that a(m*n) = a(m)*a(n) whenever g.c.d.(m,n) = 1
multiplicative order of 2 mod n, ord(2,n): A002326
multiplicative order of x mod y, ord(x,y), sequences related to: (1) A002326 A037226 A046932 A053006 A053446 A053447 A053448 A053449 A053450 A053451 A053452 A053453
multiplicative order of x mod y, ord(x,y), sequences related to: (2) A057764 A059499 A059885 A059886 A059887 A059888 A059889 A059890 A059891 A059892 A059907 A059908
multiplicative order of x mod y, ord(x,y), sequences related to: (3) A059909 A059910 A059911
multiplicative, completely (00): means that a(m*n) = a(m)*a(n) for all m and n >= 1
multiplicative, completely (01): A000004 A000007 A000012 A000027 A000035 A000265 A000290 A000578 A000583 A000584 A001014 A001015 A001016 A001017 A001477 A003958 A003959 A003960
multiplicative, completely (02): A003961 A003962 A003963 A003964 A003965 A006519 A008454 A008455 A008456 A008836 A010801 A010802 A010803 A010804 A010805 A010806 A010807 A010808
multiplicative, completely (03): A010809 A010810 A010811 A010812 A010813 A011582 A011583 A011584 A011585 A011586 A011587 A011588 A011589 A011590 A011591 A011558 A011592 A011593
multiplicative, completely (04): A011594 A011595 A011596 A011597 A011598 A011599 A011600 A011601 A011602 A011603 A011604 A011605 A011606 A011607 A011608 A011609 A011610 A011611
multiplicative, completely (05): A011612 A011613 A011614 A011615 A011616 A011617 A011618 A011619 A011620 A011621 A011622 A011623 A011624 A011625 A011626 A011627 A011628 A011629
multiplicative, completely (06): A011630 A011631 A028310 A034947 A036987 A038500 A038502 A055975 A057427 A060904 A061109 A061142 A061898 A063524 A064553 A064558 A064614 A064988
multiplicative, completely (07): A064989 A065330 A065331 A065332 A065333 A065338 A065371 A065372 A066260 A066261 A071785 A071786 A072010 A072012 A072026 A072027 A072028 A072029
multiplicative, completely (08): A072084 A072085 A072087 A072436 A072438 A072963 A079065 A079579 A079707 A080891 A086299 A089081 A091684 A091685 A091703 A093709 A098108 A101455
multiplicative, completely (09): A102440 A102441 A108548 A108951 A112347 A113175 A120119 A122261 A123667 A122968 -A122971
multiplicative, strongly: see multiplicative, completely
multiplicative, totally: see multiplicative, completely
multiplicatively perfect numbers: A007422 *
multiply-perfect numbers: A007539 *, A007691 *
musical scales: A071831 /A071832 , A071833
mutinous numbers: A027854
mutually orthogonal Latins squares, see Latin squares, mutually orthogonal
M\"{o}bius: see Moebius
M\'{e}nage: see permutations, menage and polynomials, menage