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 A201382 #7 Jul 22 2025 16:12:55 %S A201382 1,13,122,1751,24779,326650,3826202,39589830,364013320,3005372641, %T A201382 22522846792,154739772302,983097718721,5818909235791,32292922468841, %U A201382 168956847012130,837348841763554,3947230438308504,17762594565022972 %N A201382 Number of nX6 0..1 arrays with rows and columns lexicographically nondecreasing and the instance counts of every value within one of each other. %C A201382 Column 6 of A201384 %H A201382 R. H. Hardin, <a href="/A201382/b201382.txt">Table of n, a(n) for n = 1..90</a> %e A201382 Some solutions for n=5 %e A201382 ..0..0..0..1..1..1....0..0..1..1..1..1....0..0..0..0..0..1....0..0..0..0..0..1 %e A201382 ..0..1..1..0..0..1....0..1..0..0..1..1....0..0..0..0..1..0....0..0..1..1..1..1 %e A201382 ..0..1..1..0..1..1....0..1..1..1..0..1....0..0..1..1..1..1....0..1..0..0..1..0 %e A201382 ..0..1..1..1..0..1....1..0..0..0..0..0....0..1..1..1..1..0....1..1..0..1..1..0 %e A201382 ..1..0..0..0..0..0....1..0..0..1..1..0....1..1..1..1..0..1....1..1..1..0..0..1 %K A201382 nonn %O A201382 1,2 %A A201382 _R. H. Hardin_ Nov 30 2011