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 A134152 #6 Sep 25 2024 14:57:27
%S A134152 1,5,33,329,4081,64289,1193697,25959169,641756673,17842602561,
%T A134152 549786056897,18611202710465,686107435427009,27365450091496641,
%U A134152 1173865020528758465,53888878469193228993,2635977957955398642369
%N A134152 Row sums of triangle A134151 and partition array A134150 (M3(4)/M3).
%F A134152 a(n) = Sum_{m=1..n} A134151(n,m), n>=1.
%F A134152 a(n) = Sum_{k=1..p(n)} A134150(n,k), with p(n) = A000041(n) (number of partitions of n).
%Y A134152 Cf. A000041, A134272 (alternating row sums of triangle A134151).
%K A134152 nonn,easy
%O A134152 1,2
%A A134152 _Wolfdieter Lang_, Nov 13 2007