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 A292955 #16 Sep 30 2017 04:39:55 %S A292955 1,0,0,0,-1,-5,-15,-35,-35,504,6090,45870,270930,1215500,1995994, %T A292955 -42118440,-733409495,-8069463780,-70153266240,-468024155016, %U A292955 -1498366231020,21132982355940,568009017066260,8607952077741940,101448276642079059,937291639168833850 %N A292955 E.g.f.: exp(-1/4! * x^4 * exp(x)). %H A292955 Seiichi Manyama, <a href="/A292955/b292955.txt">Table of n, a(n) for n = 0..538</a> %o A292955 (PARI) x='x+O('x^66); Vec(serlaplace(exp(-1/4!*x^4*exp(x)))) %Y A292955 Column k=4 of A293015. %Y A292955 Cf. A292952 (k=1), A292953 (k=2), A292954 (k=3), this sequence (k=4). %K A292955 sign %O A292955 0,6 %A A292955 _Seiichi Manyama_, Sep 27 2017