%I #6 Mar 09 2023 17:23:16
%S 1024,132300,8314020,555862380,34838403756,2135938293684,
%T 128136007344516,7568312936979972,441444334269067260,
%U 25489789190515708236,1459585457554075237908,82994548126187965994148
%N Number of 5 X n 0..3 arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling three no more than once.
%C Row 5 of A269201.
%H R. H. Hardin, <a href="/A269205/b269205.txt">Table of n, a(n) for n = 1..210</a>
%H R. H. Hardin, <a href="/A269205/a269205.txt">Empirical recurrence of order 52</a>
%F Empirical recurrence of order 52 (see link above).
%e Some solutions for n=2
%e ..1..3. .1..0. .1..3. .1..0. .2..2. .1..3. .1..0. .0..2. .1..0. .2..2
%e ..1..3. .3..3. .3..1. .0..2. .3..2. .1..1. .2..0. .0..2. .1..0. .0..0
%e ..2..0. .3..3. .0..3. .2..0. .2..3. .0..1. .2..0. .2..1. .1..3. .1..3
%e ..1..0. .3..2. .1..0. .2..3. .2..3. .0..0. .0..3. .3..3. .1..3. .1..3
%e ..0..2. .0..2. .0..0. .2..0. .3..1. .2..0. .1..0. .3..1. .3..1. .2..0
%Y Cf. A269201.
%K nonn
%O 1,1
%A _R. H. Hardin_, Feb 20 2016
|