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 A229799 #6 Jul 23 2025 05:47:38 %S A229799 2625117,2533164987353,60704077222861152,161327438675038562165, %T A229799 103937249022030445057526,24982715242286897029686383, %U A229799 2907883712766278818772179090,194172351727597419593410162517 %N A229799 Number of 6X6 0..n arrays with rows and columns in lexicographically nondecreasing order. %C A229799 Row 6 of A229794 %H A229799 R. H. Hardin, <a href="/A229799/b229799.txt">Table of n, a(n) for n = 1..9</a> %e A229799 Some solutions for n=1 %e A229799 ..0..0..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0 %e A229799 ..0..0..0..0..1..1....0..0..0..0..1..1....0..0..0..0..0..1....0..0..0..0..1..1 %e A229799 ..0..0..1..1..0..1....0..0..1..1..0..0....0..0..0..1..1..0....0..0..0..1..0..1 %e A229799 ..0..1..0..1..1..0....0..1..1..1..0..0....0..0..1..1..1..0....0..0..1..0..0..0 %e A229799 ..0..1..1..1..1..1....1..0..0..0..0..1....0..1..0..0..1..0....0..0..1..1..0..1 %e A229799 ..1..0..0..1..1..1....1..0..0..0..0..1....0..1..1..1..0..0....0..0..1..1..1..1 %K A229799 nonn %O A229799 1,1 %A A229799 _R. H. Hardin_, Sep 29 2013