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 A131037 #6 Feb 05 2024 06:34:14 %S A131037 0,0,0,0,10,40,90,230,570,1390,3360,8110,19600,47320,114240,275800, %T A131037 665850,1607520,3880890,9369310,22619530,54608390,131836320,318281030, %U A131037 768398400,1855077840,4478554080,10812186000,26102926090,63018038200 %N A131037 Sequence A001333 with last digits set to zero. %F A131037 a(n)=A001333(n)-A131707(n) = 10*A131607(n). %K A131037 nonn,less,base %O A131037 0,5 %A A131037 _Paul Curtz_, Sep 23 2007 %E A131037 Edited by _R. J. Mathar_, Jul 07 2008