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 A145368 #12 Jul 03 2023 08:02:11
%S A145368 1,4,10,25,43,124,214,493,979,2032,3706,8377,14695,30004,58030,113029,
%T A145368 204883,424312,754306,1467025,2783599,5248348,9524662,18925117,
%U A145368 33713611
%N A145368 Row sums of triangle A145367 (S1hat(-3)) and partition array A145366 (M31hat(-3)).
%F A145368 a(n) = Sum_{m=1..n} A145367(n,m), for n>=1.
%Y A145368 Cf. A145367, A145366, A145365 (row sums of triangle A145364).
%K A145368 nonn,more
%O A145368 0,2
%A A145368 _Wolfdieter Lang_, Oct 17 2008