A295251 - OEIS

%I #6 Sep 07 2022 11:29:38

%S 44,1003,25596,638779,16064421,403318354,10130231034,254413406815,

%T 6389646907183,160475548403196,4030344811716772,101222066140621806,

%U 2542191655099438971,63847125569717590885,1603520143475948412200

%N Number of n X 6 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 1 or 3 1's.

%C Column 6 of A295253.

%H R. H. Hardin, <a href="/A295251/b295251.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

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

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

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

%Y Cf. A295253.

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 18 2017