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A285029 Number of n X 7 0..1 arrays with the number of 1's horizontally, antidiagonally or vertically adjacent to some 0 one less than the number of 0's adjacent to some 1. 1

%I #6 Apr 05 2020 23:09:09

%S 28,1578,256732,22043878,3064900470,305391845288,40651048407879,

%T 4417815478017558,572137146947057359,65494200478482713286,

%U 8342393878477796934994,986183272505897296786724

%N Number of n X 7 0..1 arrays with the number of 1's horizontally, antidiagonally or vertically adjacent to some 0 one less than the number of 0's adjacent to some 1.

%C Column 7 of A285030.

%H R. H. Hardin, <a href="/A285029/b285029.txt">Table of n, a(n) for n = 1..31</a>

%e Some solutions for n=2

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

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

%Y Cf. A285030.

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 08 2017

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Last modified February 27 06:05 EST 2024. Contains 370362 sequences. (Running on oeis4.)