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 A061689 #12 Feb 27 2023 22:52:25 %S A061689 1,34,650,10500,161700,2493120,39372480,644112000,10977120000, %T A061689 195392736000,3636061228800,70737918451200,1437896940480000, %U A061689 30512401920000000,675213301002240000,15564170478624768000,373267990604500992000,9302809053765427200000 %N A061689 Generalized Stirling numbers. %H A061689 J.-M. Sixdeniers, K. A. Penson and A. I. Solomon, <a href="http://www.cs.uwaterloo.ca/journals/JIS/VOL4/SIXDENIERS/bell.html">Extended Bell and Stirling Numbers From Hypergeometric Exponentiation</a>, J. Integer Seqs. Vol. 4 (2001), #01.1.4. %Y A061689 Second subdiagonal of A061691. %K A061689 nonn %O A061689 1,2 %A A061689 _N. J. A. Sloane_, Jun 18 2001 %E A061689 More terms from _Sean A. Irvine_, Feb 27 2023