cp's OEIS Frontend

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.

A240787 Number of 6Xn 0..1 arrays with no element equal to fewer vertical neighbors than horizontal neighbors, with new values 0..1 introduced in row major order.

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%I A240787 #7 Jul 23 2025 11:07:44
%S A240787 32,361,2187,15332,106411,746346,5228820,36701371,257576121,
%T A240787 1808280738,12694886397,89128797051,625760780302,4393427783962,
%U A240787 30846025087421,216568722650785,1520521061879683,10675526309057060,74952512684267110
%N A240787 Number of 6Xn 0..1 arrays with no element equal to fewer vertical neighbors than horizontal neighbors, with new values 0..1 introduced in row major order.
%C A240787 Row 6 of A240783
%H A240787 R. H. Hardin, <a href="/A240787/b240787.txt">Table of n, a(n) for n = 1..210</a>
%H A240787 R. H. Hardin, <a href="/A240787/a240787.txt">Empirical recurrence of order 94</a>
%F A240787 Empirical recurrence of order 94 (see link above)
%e A240787 Some solutions for n=4
%e A240787 ..0..1..0..1....0..1..0..1....0..1..0..1....0..1..0..1....0..1..0..0
%e A240787 ..0..0..1..0....1..0..1..1....0..1..0..1....0..1..0..1....0..1..0..0
%e A240787 ..0..0..1..0....1..0..1..0....0..1..0..0....1..0..1..1....0..1..0..0
%e A240787 ..0..0..1..1....0..1..1..0....1..1..0..0....0..1..1..1....0..1..0..1
%e A240787 ..0..0..1..1....1..1..0..0....1..0..0..1....0..1..1..0....1..1..0..1
%e A240787 ..1..0..1..0....1..1..0..0....1..0..1..0....0..1..1..0....1..1..0..1
%K A240787 nonn
%O A240787 1,1
%A A240787 _R. H. Hardin_, Apr 12 2014