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 A352067 #18 Mar 07 2022 07:55:46 %S A352067 1,0,1,0,1,1,0,2,3,1,0,3,13,4,1,0,6,62,37,6,1,0,11,364,393,77,7,1,0, %T A352067 23,2799,6485,1665,135,9,1,0,47,27811,158766,68957,5268,220,10,1,0, %U A352067 106,349306,5718805,5091421,541593,14997,330,12,1 %N A352067 Triangle read by rows: T(n,k) is the number of connected graphs with n nodes and degeneracy k, 0 <= k < n. %H A352067 Pontus von Brömssen, <a href="/A352067/b352067.txt">Rows n = 1..11, flattened</a> %H A352067 Wikipedia, <a href="https://en.wikipedia.org/wiki/Degeneracy_(graph_theory)">Degeneracy</a> %e A352067 Triangle begins: %e A352067 n\k| 0 1 2 3 4 5 6 7 8 9 %e A352067 ---+---------------------------------------------------- %e A352067 1 | 1 %e A352067 2 | 0 1 %e A352067 3 | 0 1 1 %e A352067 4 | 0 2 3 1 %e A352067 5 | 0 3 13 4 1 %e A352067 6 | 0 6 62 37 6 1 %e A352067 7 | 0 11 364 393 77 7 1 %e A352067 8 | 0 23 2799 6485 1665 135 9 1 %e A352067 9 | 0 47 27811 158766 68957 5268 220 10 1 %e A352067 10 | 0 106 349306 5718805 5091421 541593 14997 330 12 1 %Y A352067 Row sums: A001349, column k=1: A000055. %K A352067 nonn,tabl %O A352067 1,8 %A A352067 _Pontus von Brömssen_, Mar 05 2022