cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

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

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%I A193246 #18 Jul 22 2024 15:30:11
%S A193246 0,1,2,3,6,10,11,15,21,24,28,35,36,45,50,55,66,78,85,91,105,120,136,
%T A193246 153,171,175,190,210,225,231,253,274,276,300,322,325,351,378,406,435,
%U A193246 465,496,528,546,561,595,630,666,703,720,735,741,780,820,861,870,903
%N A193246 Ordered unsigned Stirling numbers |S1(n,k)|.
%C A193246 List all unsigned Stirling numbers of the first kind, sort and remove duplicates.
%C A193246 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
%H A193246 Pontus von Brömssen, <a href="/A193246/b193246.txt">Table of n, a(n) for n = 1..10000</a>
%t A193246 s1 = Union[Flatten[Table[Table[Abs[StirlingS1[n, k]], {k, 1, 100}], {n, 1, 100}]]]; Table[s1[[j]], {j, 1, 100}]
%Y A193246 Cf. A193245, A024412, A130534.
%K A193246 nonn
%O A193246 1,3
%A A193246 _Vaclav Kotesovec_, Jan 01 2013