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A299457 Number of nX7 0..1 arrays with every element equal to 0, 2, 3, 5, 6 or 8 king-move adjacent elements, with upper left element zero. 1

%I #4 Feb 10 2018 10:37:13

%S 1,130,223,1522,14409,101878,750083,6104533,48998539,384601868,

%T 3097855642,24984007146,200482322420,1615138790101,13024820258903,

%U 104989526821688,846540044802802,6828371232433401,55079637415862063

%N Number of nX7 0..1 arrays with every element equal to 0, 2, 3, 5, 6 or 8 king-move adjacent elements, with upper left element zero.

%C Column 7 of A299458.

%H R. H. Hardin, <a href="/A299457/b299457.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..1..0. .0..0..1..1..1..0..0

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

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

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

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

%Y Cf. A299458.

%K nonn

%O 1,2

%A _R. H. Hardin_, Feb 10 2018

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Last modified April 19 18:05 EDT 2024. Contains 371798 sequences. (Running on oeis4.)