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 A265978 Number of nX4 integer arrays with each element equal to the number of horizontal, diagonal and antidiagonal neighbors less than itself. 1

%I

%S 11,583,11573,282056,8935989,250833288,7041080382,208041110790,

%T 6005134588534,173028589656262,5028214246050687,145626831371486785,

%U 4214456145515857209,122142144512607793870,3538248976950632976988

%N Number of nX4 integer arrays with each element equal to the number of horizontal, diagonal and antidiagonal neighbors less than itself.

%C Column 4 of A265981.

%H R. H. Hardin, <a href="/A265978/b265978.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

%e ..1..3..3..0....1..1..0..1....1..4..2..1....1..1..1..1....0..3..3..0

%e ..1..0..0..1....3..0..6..0....0..0..0..3....2..0..0..2....0..0..0..0

%e ..1..4..1..1....2..0..4..0....0..0..0..0....1..2..4..1....2..0..4..0

%Y Cf. A265981.

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 19 2015

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Last modified September 24 13:43 EDT 2021. Contains 347643 sequences. (Running on oeis4.)