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 A145365 #9 Jul 03 2023 10:05:52
%S A145365 1,3,5,9,13,25,33,57,81,129,177,289,385,609,833,1281,1729,2689,3585,
%T A145365 5505,7425,11265,15105,23041,30721
%N A145365 Row sums of triangle A145364 (S1hat(-2)) and partition array A145363 (M31hat(-2)).
%F A145365 a(n) = Sum_{m=1..n} A145364(n,m), n>=1.
%Y A145365 Cf. A145363, A145364.
%K A145365 nonn,more
%O A145365 1,2
%A A145365 _Wolfdieter Lang_, Oct 17 2008
%E A145365 Offset changed from 0 to 1. - _Wolfdieter Lang_, Nov 25 2008