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A297761 Number of nX7 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2, 3 or 4 neighboring 1s. 1

%I #4 Jan 05 2018 18:59:47

%S 1,733,24801,759243,45618455,2301783905,108229776807,5394743533114,

%T 267870723932943,13164280362488109,649645311987327236,

%U 32083173143952274627,1582748891993544903545,78096927219843019316942

%N Number of nX7 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2, 3 or 4 neighboring 1s.

%C Column 7 of A297762.

%H R. H. Hardin, <a href="/A297761/b297761.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

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

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

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

%Y Cf. A297762.

%K nonn

%O 1,2

%A _R. H. Hardin_, Jan 05 2018

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)