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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.

A265372 Number of nX4 arrays of permutations of 4 copies of 0..n-1 with no equal horizontal, vertical or antidiagonal neighbors and new values introduced sequentially from 0.

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%I A265372 #3 Dec 07 2015 07:09:55
%S A265372 0,0,1,236,363850,860077644,3040856393843,15614173687644042
%N A265372 Number of nX4 arrays of permutations of 4 copies of 0..n-1 with no equal horizontal, vertical or antidiagonal neighbors and new values introduced sequentially from 0.
%C A265372 Column 4 of A265373.
%e A265372 Some solutions for n=4
%e A265372 ..0..1..2..0....0..1..2..3....0..1..0..2....0..1..2..1....0..1..2..1
%e A265372 ..2..0..1..3....2..3..0..1....3..2..1..3....2..0..3..0....3..0..3..2
%e A265372 ..3..2..0..2....0..1..3..0....1..3..0..2....3..2..1..2....1..2..0..1
%e A265372 ..1..3..1..3....3..2..1..2....2..1..3..0....1..3..0..3....0..3..2..3
%Y A265372 Cf. A265373.
%K A265372 nonn
%O A265372 1,4
%A A265372 _R. H. Hardin_, Dec 07 2015

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