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.

A222586 Number of n X 6 0..2 arrays with no more than floor(nX6/2) elements unequal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..2 order.

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%I A222586 #6 Aug 26 2022 15:18:15
%S A222586 14,200,4790,128213,3778560,120603073,4091063379,143156705294,
%T A222586 5118550268413,185282388086575,6763852355780438,248203088995170330,
%U A222586 9144018841491035138,337809884604604139979,12507948080012427636427
%N A222586 Number of n X 6 0..2 arrays with no more than floor(nX6/2) elements unequal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..2 order.
%C A222586 Column 6 of A222587.
%H A222586 R. H. Hardin, <a href="/A222586/b222586.txt">Table of n, a(n) for n = 1..16</a>
%e A222586 Some solutions for n=3
%e A222586 ..0..0..1..1..1..1....0..0..0..1..2..1....0..0..0..0..1..1....0..0..0..1..2..2
%e A222586 ..0..0..0..1..1..1....0..0..0..0..2..2....0..0..0..0..1..1....0..0..0..0..0..0
%e A222586 ..0..0..0..2..0..1....0..0..0..0..2..2....2..0..0..0..0..1....0..0..0..0..0..2
%Y A222586 Cf. A222587.
%K A222586 nonn
%O A222586 1,1
%A A222586 _R. H. Hardin_, Feb 25 2013