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.
%I A243570 #6 Jun 06 2014 16:37:01 %S A243570 1,45,1320,32670,749463,16669653,368411615,8207628000,185953177553, %T A243570 4308105301929,102417740732658,2503858755467550,63030812099294896, %U A243570 1634980697246583456,43714229649594412832 %N A243570 Unsigned Stirling numbers of the first kind s(n,9). %H A243570 Stanislav Sykora, <a href="/A243570/b243570.txt">Table of n, a(n) for n = 9..308</a> %H A243570 Wikipedia, <a href="http://en.wikipedia.org/wiki/Stirling_numbers_of_the_first_kind">Stirling numbers of the first kind</a> %t A243570 Drop[Table[Abs[StirlingS1[n, 9]], {n, 0, 20}], 9] (* _Vaclav Kotesovec_, Jun 06 2014 *) %o A243570 (PARI) abs(stirling(n,9)) %Y A243570 Cf. A000254, A000399, A000454, A000482, A001233, A001234, A008275, A243569. %K A243570 nonn,easy %O A243570 9,2 %A A243570 _Stanislav Sykora_, Jun 06 2014