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 A154415 #12 Jan 06 2020 05:04:16
%S A154415 1,0,-1,2,11,-50,-225,1624,6769,-67284,-269325,3416930,13339535,
%T A154415 -206070150,-790943153,14409322928,54631129553,-1146901283528,
%U A154415 -4308105301929,102417740732658,381922055502195,-10142299865511450
%N A154415 The middle Stirling numbers of first kind: a(n) = Stirling1(n, floor(n/2)).
%C A154415 The signless central Stirling numbers of the first kind Stirling1(2*n, n) are A187646.
%H A154415 G. C. Greubel, <a href="/A154415/b154415.txt">Table of n, a(n) for n = 0..300</a>
%t A154415 Table[StirlingS1[n, Floor[n/2]], {n, 0, 30}]
%o A154415 (PARI) a(n) = stirling(n, n\2, 1); \\ _Michel Marcus_, Sep 16 2016
%Y A154415 Cf. A048994, A187646.
%K A154415 sign
%O A154415 0,4
%A A154415 _Roger L. Bagula_, Jan 09 2009
%E A154415 Name clarified by _Peter Luschny_, Jan 06 2020