A296577 - OEIS

%I #4 Dec 15 2017 21:16:48

%S 81,2078,56646,1680927,48217515,1394258872,40337678992,1165868818808,

%T 33712843195488,974745141163546,28183526319905715,814890160500244088,

%U 23561459156605227616,681248846708899731070,19697413225479825722690

%N Number of nX7 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 0, 1 or 3 neighboring 1s.

%C Column 7 of A296578.

%H R. H. Hardin, <a href="/A296577/b296577.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A296578.

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 15 2017