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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.

A267286 Number of 6Xn arrays containing n copies of 0..6-1 with every element equal to or 1 greater than any southwest or northwest neighbors modulo 6 and the upper left element equal to 0.

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%I A267286 #5 Aug 12 2016 06:54:00
%S A267286 120,2,3,317,6240,69265,663855,12954512,466131976,13687472182,
%T A267286 278976573772
%N A267286 Number of 6Xn arrays containing n copies of 0..6-1 with every element equal to or 1 greater than any southwest or northwest neighbors modulo 6 and the upper left element equal to 0.
%C A267286 Row 6 of A267278.
%e A267286 Some solutions for n=4
%e A267286 ..0..2..1..4....0..3..2..4....0..4..1..5....0..3..2..5....0..4..1..5
%e A267286 ..2..0..3..2....3..1..4..3....3..1..4..2....2..1..4..2....4..1..5..2
%e A267286 ..5..3..1..4....0..4..2..5....0..3..1..5....0..3..1..4....0..4..2..0
%e A267286 ..3..0..4..2....4..1..5..3....3..0..4..2....3..0..4..1....3..1..5..3
%e A267286 ..5..4..1..5....1..5..2..0....5..3..1..5....5..4..1..5....1..4..2..0
%e A267286 ..3..0..5..1....5..1..0..2....2..0..4..2....3..0..5..2....3..2..5..3
%Y A267286 Cf. A267278.
%K A267286 nonn
%O A267286 1,1
%A A267286 _R. H. Hardin_, Jan 12 2016

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