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A266130 Number of nX7 integer arrays with each element equal to the number of horizontal, diagonal and antidiagonal neighbors exactly one smaller than itself. 0

%I #3 Dec 21 2015 12:28:07

%S 25,2141,11044,347576,16386099,325554385,10444421518,364864463172,

%T 9780785065374,322718526988333,10659390930051828,315717305995251778

%N Number of nX7 integer arrays with each element equal to the number of horizontal, diagonal and antidiagonal neighbors exactly one smaller than itself.

%C Column 7 of A266131.

%e Some solutions for n=3

%e ..1..1..1..2..1..2..0....1..2..3..2..1..1..0....1..1..1..2..0..2..1

%e ..2..0..0..3..2..0..1....1..0..3..2..1..0..1....0..0..2..1..1..0..0

%e ..1..1..2..1..2..1..0....0..1..2..1..0..2..0....1..2..1..2..2..1..1

%Y Cf. A266131.

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 21 2015

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Last modified July 16 12:01 EDT 2024. Contains 374348 sequences. (Running on oeis4.)