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 A266038 Number of 6Xn integer arrays with each element equal to the number of horizontal and antidiagonal neighbors less than itself. 1

%I

%S 1,5959,440405,52086421,40462691139,16683384355551,5071647592093453,

%T 1947360153690065421,792441110901340148579,302147893342475874444884,

%U 115041736614127657648036556,44423748737977422546236576552

%N Number of 6Xn integer arrays with each element equal to the number of horizontal and antidiagonal neighbors less than itself.

%C Row 6 of A266033.

%H R. H. Hardin, <a href="/A266038/b266038.txt">Table of n, a(n) for n = 1..27</a>

%e Some solutions for n=2

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

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

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

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

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

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

%Y Cf. A266033.

%K nonn

%O 1,2

%A _R. H. Hardin_, Dec 20 2015

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Last modified May 25 09:26 EDT 2022. Contains 354066 sequences. (Running on oeis4.)