sociable numbers, A003416 *
sociable numbers, infinitary: A000173 *
sociable numbers, unitary: A000173 *
sodalite: A005893 *
Soddy: see Apollonian packings
solid partitions: see partitions , solid
solitary numbers: A014567 *
Solovay-Strassen primality test: A007324
solutions of x^k = 1 in symmetric group, for k=2,3,4,...: see permutations, of order dividing k
solutions to x+y=z: A002848 , A002849
solvable numbers: A056866
Somos sequences: A006720 *, A006721 *, A006722 *, A006723 *, A006769
Somos sequences: see also A048736
songs, popular, sequences from: A038674 , A085735 , A091978 , A060858 , A064373 , A096582
sopf(n), sum of primes dividing n (without repetition): A008472
sopfr(n), sum of primes dividing n (with repetition): A001414
Sophie Germain primes: see primes, Germain
sorting , sequences related to (start):
sorting, A001768 * A001855 * A003071 * A006282 * A036604 *
sorting, Batcher parallel sort: A006282
sorting, bridge hands: A065603
sorting, by block moves: A065603
sorting, by list merging: A003071
sorting, by prefix reversal: A058986
sorting, merge sort: A001768
sorting, networks: A003075 *, A006245 *, A006246 *, A006248 *
sorting, Shell sort: A003462 , A033622 , A036562 , A036564 , A036569 , A055875 , A055876
sorting: see also (1) A002871 A002872 A002873 A002874 A002875 A027361 A027432 A033622 A036073 A036074 A036075 A036076
sorting: see also (2) A036077 A036078 A036079 A036080 A036081 A036082 A036567 A036569