abelian numbers: A051532
absolute primes: see primes, absolute
abundance: see abundancy
abundancy , sequences related to (start):
abundancy: A033880 *, A033879 , A005579 , A005347 , A005580 , A033881 , A033882
abundancy: see also deficiency
abundant numbers: A002093 , A002182 , A005101 *, A091191
abundant numbers: consecutive: A094268
abundant numbers: odd: A005231 *, A006038 , A064001
abundant numbers: see also A004394
acetylene: A000642 , A005957
Ackermann function: A001695 , A046859 , A014221
acyclic digraphs, see digraphs, acyclic
add 1, multiply by 1, add 2, multiply by 2, etc.: A019463 , A019460 , A019462 , A019461 , A082448
add m then reverse digits: A007396 , A003608 , A007397 , A007398 , A007399
addition chains: A003064 * A003065 * A003313 * A005766 A008057 A008928 A010787 A079300
additive bases , sequences related to (start):
additive bases: A004133 , A004135 , A004136
additive bases: see also Golomb rulers
additive sequences (00): definition: a(n*m) = a(n) + a(m) if gcd(n,m) = 1
additive sequences (01): completely additive A001222 , A001414 , A007814 , A007949 , A048675 , A056239 , A067666 , A076649 ,
additive sequences (02): completely additive A078458 , A078908 , A078909 , A112765 , A113177 .
additive sequences (03): A001221 , A005063 -A005085 , A005087 -A005091 , A005094 , A008472 , A008474 ,
additive sequences (04): A008475 , A008476 , A046660 , A052331 , A055631 , A056169 , A056170 , A059841 ,
additive sequences (05): A064372 , A064415 , A066328 , A079978 , A080256 , A081403 , A087207 , A090885 ,
additive sequences (06): A106490 , A106492 , A113178 , A113222 , A115357 , A121262 , A086275
additive sequences (07): completely additive fractions: A083345 /A083346 .
additive sequences (08): additive fractions: A028235 /A007947 , A028236 /A000027 .
additive sequences (09): totally additive: see completely additive
additive sequences (10): strongly additive: see completely additive
Aho-Sloane paper: see entry for a(n+1)=a(n)^2 + ...
Airey's converging factor: A001662
Aitken's array: A011971 *