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Number of n X 6 0..1 arrays with each 1 adjacent to 1, 3 or 4 king-move neighboring 1's.
1

%I #6 Oct 20 2022 23:32:22

%S 9,308,2605,40956,754400,11910888,203660310,3537017110,60565369990,

%T 1045806862938,18084251738021,312308093329305,5398279481935520,

%U 93321043779689016,1613067024017145514,27884806052848343672

%N Number of n X 6 0..1 arrays with each 1 adjacent to 1, 3 or 4 king-move neighboring 1's.

%C Column 6 of A296804.

%H R. H. Hardin, <a href="/A296802/b296802.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

%Y Cf. A296804.

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 20 2017