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A316613 Number of nX6 0..1 arrays with every element unequal to 0, 1, 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero. 1

%I #4 Jul 08 2018 16:14:58

%S 13,105,126,454,1749,5464,17224,58861,190509,613009,2033562,6661058,

%T 21647463,71089634,233091249,761023933,2492107497,8165184140,

%U 26706741560,87408400302,286222682245,936714517961,3065727727972,10036183213622

%N Number of nX6 0..1 arrays with every element unequal to 0, 1, 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero.

%C Column 6 of A316615.

%H R. H. Hardin, <a href="/A316613/b316613.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A316615.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jul 08 2018

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Last modified April 23 18:16 EDT 2024. Contains 371916 sequences. (Running on oeis4.)