|
%I #6 May 03 2020 15:37:29
%S 1,2,37,422,23781,5511367,3420197908,4611250894511,18829563773811206
%N Number of n X n 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2, 3 or 5 neighboring 1's.
%C Diagonal of A297802.
%e Some solutions for n=5
%e ..0..1..1..1..0. .0..1..1..1..1. .1..1..0..0..0. .0..0..1..0..0
%e ..1..0..0..1..1. .1..0..0..1..0. .1..1..0..1..1. .1..1..0..1..0
%e ..0..1..0..0..1. .0..1..0..0..0. .1..1..0..1..1. .0..1..0..0..1
%e ..0..1..1..1..0. .1..1..1..1..1. .0..1..0..0..1. .1..1..1..1..0
%e ..0..0..1..0..0. .0..1..0..1..0. .0..0..1..1..0. .1..1..0..1..1
%Y Cf. A297802.
%K nonn
%O 1,2
%A _R. H. Hardin_, Jan 06 2018
| 