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 A211698 #6 May 16 2023 15:49:25 %S A211698 1,2,3,4,5,6,7,10,15,22,31,42,55,75,107,156,227,325,455,637,906,1312, %T A211698 1920,2810,4077,5883,8509,12407,18252,26994,39910,58859,86740,128153, %U A211698 190263,283867,424664,635605,951200,1424659,2138744,3221209,4865705 %N A211698 Number of nonnegative integer arrays of length n+2*6-2 with new values introduced in order 0 upwards and every value appearing only in runs of at least 6. %C A211698 Column 6 of A211700. %H A211698 R. H. Hardin, <a href="/A211698/b211698.txt">Table of n, a(n) for n = 1..210</a> %e A211698 All solutions for n=5 %e A211698 ..0....0....0....0....0 %e A211698 ..0....0....0....0....0 %e A211698 ..0....0....0....0....0 %e A211698 ..0....0....0....0....0 %e A211698 ..0....0....0....0....0 %e A211698 ..0....0....0....0....0 %e A211698 ..0....1....0....0....0 %e A211698 ..0....1....0....0....1 %e A211698 ..0....1....1....0....1 %e A211698 ..1....1....1....0....1 %e A211698 ..1....1....1....0....1 %e A211698 ..1....1....1....0....1 %e A211698 ..1....1....1....0....1 %e A211698 ..1....1....1....0....1 %e A211698 ..1....1....1....0....1 %Y A211698 Cf. A211700. %K A211698 nonn %O A211698 1,2 %A A211698 _R. H. Hardin_, Apr 19 2012