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 A251098 #6 Jul 23 2025 13:04:03 %S A251098 4023,160086,6151051,237288487,9160138107,353489877714,13640572890821, %T A251098 526395665662695,20314343818684906,783961045672945429, %U A251098 30254198630466688429,1167552996163615153868,45057545754429137006661 %N A251098 Number of (n+1)X(6+1) 0..1 arrays with no 2X2 subblock having its minimum diagonal element less than its minimum antidiagonal element. %C A251098 Column 6 of A251100 %H A251098 R. H. Hardin, <a href="/A251098/b251098.txt">Table of n, a(n) for n = 1..210</a> %H A251098 R. H. Hardin, <a href="/A251098/a251098.txt">Empirical recurrence of order 57</a> %F A251098 Empirical recurrence of order 57 (see link above) %e A251098 Some solutions for n=2 %e A251098 ..1..1..1..0..0..0..0....1..1..1..0..1..1..0....1..1..1..1..1..1..1 %e A251098 ..1..1..1..1..1..0..0....0..0..1..0..0..0..0....0..0..0..0..0..0..1 %e A251098 ..0..0..0..0..0..0..1....0..0..0..1..1..1..1....0..1..0..0..0..0..1 %K A251098 nonn %O A251098 1,1 %A A251098 _R. H. Hardin_, Nov 29 2014