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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.

A268162 Number of 5 X n arrays containing n copies of 0..5-1 with every element equal to at least one vertical or antidiagonal neighbor and the top left element equal to 0.

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%I A268162 #7 Jun 07 2021 14:30:12
%S A268162 0,0,456,23592,10213152,871718016,131259920304,22870582657920,
%T A268162 3420936792374976
%N A268162 Number of 5 X n arrays containing n copies of 0..5-1 with every element equal to at least one vertical or antidiagonal neighbor and the top left element equal to 0.
%C A268162 Row 5 of A268159.
%e A268162 Some solutions for n=4
%e A268162 ..0..4..2..2....0..4..0..3....0..0..2..1....0..0..3..1....0..0..2..4
%e A268162 ..0..4..2..4....0..4..0..3....0..4..2..1....0..3..1..3....0..2..3..4
%e A268162 ..1..1..2..4....4..4..3..1....0..4..1..1....0..2..2..3....0..3..3..1
%e A268162 ..1..0..3..3....2..3..1..2....4..3..2..3....1..2..4..4....3..2..4..1
%e A268162 ..1..0..3..3....2..1..1..2....4..3..2..3....1..2..4..4....2..4..1..1
%Y A268162 Cf. A268159.
%K A268162 nonn,more
%O A268162 1,3
%A A268162 _R. H. Hardin_, Jan 27 2016

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