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A299080 Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 3, 4 or 7 king-move adjacent elements, with upper left element zero. 1

%I #4 Feb 02 2018 07:40:01

%S 64,7181,175286,5966905,209649724,7216923643,250915355467,

%T 8769918141746,306309018507458,10700121813906426,373936136661714476,

%U 13068516356658656411,456719559953077301270,15961823564161742473972

%N Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 3, 4 or 7 king-move adjacent elements, with upper left element zero.

%C Column 7 of A299081.

%H R. H. Hardin, <a href="/A299080/b299080.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

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

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

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

%Y Cf. A299081.

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 02 2018

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Last modified April 19 23:15 EDT 2024. Contains 371798 sequences. (Running on oeis4.)