A193246 Ordered unsigned Stirling numbers |S1(n,k)|.

0, 1, 2, 3, 6, 10, 11, 15, 21, 24, 28, 35, 36, 45, 50, 55, 66, 78, 85, 91, 105, 120, 136, 153, 171, 175, 190, 210, 225, 231, 253, 274, 276, 300, 322, 325, 351, 378, 406, 435, 465, 496, 528, 546, 561, 595, 630, 666, 703, 720, 735, 741, 780, 820, 861, 870, 903

Offset

1,3

Comments

List all unsigned Stirling numbers of the first kind, sort and remove duplicates.

The only numbers below 10^8 that appear in more than one place in the table A130534 are 1, 6, and 120. - Pontus von Brömssen, Jul 20 2024

Links

Pontus von Brömssen, Table of n, a(n) for n = 1..10000

Mathematica

s1 = Union[Flatten[Table[Table[Abs[StirlingS1[n, k]], {k, 1, 100}], {n, 1, 100}]]]; Table[s1[[j]], {j, 1, 100}]

Crossrefs

Cf. A193245, A024412, A130534.

Sequence in context: A047402 A088196 A112925 * A239012 A001635 A106172

Adjacent sequences: A193243 A193244 A193245 * A193247 A193248 A193249

Keyword

nonn

Author

Vaclav Kotesovec, Jan 01 2013

Status

approved