|
%I #4 Jan 01 2018 14:52:46
%S 81,2428,80140,2781983,95770934,3295502717,113592447685,3914150992637,
%T 134873268392766,4647632955334718,160153138265121710,
%U 5518725808864366911,190170328735295352038,6553097986714224724209,225813842296458259011060
%N Number of nX7 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 0, 1 or 3 neighboring 1s.
%C Column 7 of A297607.
%H R. H. Hardin, <a href="/A297606/b297606.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=3
%e ..0..1..0..1..0..0..0. .1..0..0..0..1..0..0. .0..0..0..1..0..1..0
%e ..0..0..0..0..0..0..0. .1..0..0..0..1..0..1. .0..1..0..1..0..1..1
%e ..1..1..0..1..0..0..0. .0..0..1..0..1..0..0. .0..0..0..0..0..1..0
%Y Cf. A297607.
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 01 2018
| 