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 A194776 #7 Oct 27 2019 22:06:00 %S A194776 11862,31466,85007,231395,639325,1782111,5029741,14321783,41203606, %T A194776 119499674,349498634,1029170664,3050715488,9092629968,27237137985, %U A194776 81930133845,247359353107,749090477957 %N A194776 Number of lower triangles of an (n+10) X (n+10) 0..6 array with new values introduced in row major order 0..6 and no element unequal to more than one horizontal or vertical neighbor. %C A194776 Column 6 of A194778. %e A194776 Some solutions for 11 X 11 including a 6: %e A194776 0 0 0 %e A194776 1 1 1 1 1 1 %e A194776 1 1 2 1 1 1 1 1 1 %e A194776 1 1 2 2 2 2 2 2 2 2 2 2 %e A194776 1 1 2 2 3 2 2 2 2 3 2 2 2 2 2 %e A194776 1 1 2 2 3 3 2 2 2 2 3 3 3 3 3 3 3 3 %e A194776 1 1 2 2 3 3 4 2 2 2 2 3 3 4 3 3 3 3 3 3 4 %e A194776 1 1 2 2 3 3 4 4 2 2 2 2 3 3 4 4 3 3 3 3 3 3 4 4 %e A194776 1 1 2 2 3 3 4 4 5 2 2 2 2 3 3 4 4 5 3 3 3 3 3 3 4 4 5 %e A194776 1 1 2 2 3 3 4 4 5 5 2 2 2 2 3 3 4 4 5 5 3 3 3 3 3 3 4 4 5 5 %e A194776 1 1 2 2 3 3 4 4 5 5 6 2 2 2 2 3 3 4 4 5 5 6 3 3 3 3 3 3 4 4 5 5 6 %K A194776 nonn %O A194776 1,1 %A A194776 _R. H. Hardin_, Sep 02 2011