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 A144346 #6 Jul 04 2023 08:18:14 %S A144346 1,12,160,2520,46480,987840,23826880,643843200,19280060800, %T A144346 634002969600,22718375680000,881259515136000,36796205974528000, %U A144346 1645615697037312000,78486991029551104000,3976930001842237440000,213353732165508014080000,12081783988797659136000000 %N A144346 Third column (m=3) of triangle S2p(-2) = A004747. %F A144346 a(n) = A004747(n+3,3), n>=0. %Y A144346 Cf. A004747, A144345 (m=2 column). %K A144346 nonn,easy %O A144346 0,2 %A A144346 _Wolfdieter Lang_, Oct 09 2008