J-function: A000521 *, A007240 , A014708
J2 simple group: A003905 , A005813
Jack Benny: A056064
Jacobi elliptic function sn: see sn
Jacobi nome: A001936 A002103 A002639 A005797 A005798
Jacobi symbol: A034947 = (-1,n)
Jacobi symbol: see also A005825 A005826 A005827 A077008 A077009 A077010
Jacobi theta series: theta_2(q): A098108 , theta_3(q): A000122 , theta_4(q): A002448
Jacobi triple product identity: A000122 *
Jacobsthal sequence: A001045 *
Jacobsthal-Lucas numbers: A014551 *
join points around circle: see Poonen-Rubinstein paper
joke numbers: A006753
Jordan algebras: A001776
Jordan-P\'{o}lya numbers:: A001013
Josephus problem: (1) A000960 A005427 A005428 A006165 A006257 * A007495 A032434 A032435 A032436 A054995 A056526 A056530
Josephus problem: (2) A056531 A066997 A082125 A083286 A083287 A088442 A088443 A088452 A088333
Josephus's sieve: see sieve, Flavius Josephus
Joyce, James, "Ulysses": A054382
juggler sequence: A094683 A094685
juggler sequence: see also A007320 A007321 A094684 A094693 A094696 A094697 A094697 A094708 A094716 A094725 A094778
juggling, sequences related to (start):
juggling, other related sequences: A006694 , A047996 , A065167 , A065171 , A065174 , A071160 , A060495 , A060498 .
juggling, site swaps, infinite sequences of, 3 balls: A084501 *, A084511 , A084521 , A084452 , A084458 , A010701 , A010694 .
juggling, site swaps, number of: A065177 *, A084509 , A084519 , A084529
jumping champions: A087102 A087103 A087104
jumping problem: A002466 A019592 A019593 A019595 A019596 A019993 A019994 A019995 A019996 A019997 A019998 A052709
junction numbers: A006064
Justified arrays:: A007073 , A007074 , A007072