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A299464 Number of nX7 0..1 arrays with every element equal to 1, 2, 3, 5, 6 or 8 king-move adjacent elements, with upper left element zero. 1

%I #4 Feb 10 2018 10:46:25

%S 8,2048,13268,139226,2991315,41279802,546467591,8711452672,

%T 130278485534,1890309059942,28489200483157,427264160208569,

%U 6342667405588230,94802579756192769,1418200510850008758,21159682125398572853

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

%C Column 7 of A299465.

%H R. H. Hardin, <a href="/A299464/b299464.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

%Y Cf. A299465.

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 10 2018

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Last modified April 19 16:21 EDT 2024. Contains 371794 sequences. (Running on oeis4.)