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 A156625 #9 May 08 2023 11:51:35
%S A156625 0,1,2,4,5,7,9,11,14,16,18,21,23,26,29,32,35,37,40,43,47,50,53,56,59,
%T A156625 62,66,69,73,76,79,83,86,90,94,97,101,104,108,112,115,119,123,127,131,
%U A156625 134,138,142
%N A156625 Floor(integral of log(x) from 1 to n).
%F A156625 a(n)=A050504(n)-n+1. - _R. J. Mathar_, Feb 12 2009
%t A156625 Table[Floor[Integrate[Log[n],{n,1,x}]],{x,2,50}] (* _Harvey P. Dale_, May 08 2023 *)
%o A156625 (Sage) [floor(N(integral(ln(x), x, 1, n))) for n in range (2,50)]
%Y A156625 Cf. A156624.
%K A156625 easy,nonn
%O A156625 2,3
%A A156625 _Jack W Grahl_, Feb 11 2009