A024412 Ordered Stirling numbers s(n,k) of the second kind.

0, 1, 3, 6, 7, 10, 15, 21, 25, 28, 31, 36, 45, 55, 63, 65, 66, 78, 90, 91, 105, 120, 127, 136, 140, 153, 171, 190, 210, 231, 253, 255, 266, 276, 300, 301, 325, 350, 351, 378, 406, 435, 462, 465, 496, 511, 528, 561, 595, 630, 666, 703, 741, 750, 780, 820, 861, 903, 946, 966

Offset: 1

Author

Clark Kimberling

Keywords

• nonn

Comments

In other words, list all Stirling numbers of the second kind, sort and remove duplicates.

Links

• David W. Wilson, Table of n, a(n) for n = 1..10001

Crossrefs

Cf. A008277, A193245, A193246, A374796 (the positive duplicates).

Programs

Mathematica

s2 = Union[Flatten[Table[Table[StirlingS2[n, k], {k, 1, 100}], {n, 1, 100}]]]; Table[s2[[j]], {j, 1, 100}] (* Vaclav Kotesovec, Jan 01 2013 *)

Extensions

Corrected by N. J. A. Sloane, Nov 21 2007