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A316286 Number of n X 5 0..1 arrays with every element unequal to 0, 1, 2, 3, 6 or 8 king-move adjacent elements, with upper left element zero. 1

%I #6 Jun 16 2023 15:27:45

%S 16,120,361,1372,7973,35706,164734,838632,4054621,19606424,96974108,

%T 476274835,2337729880,11535292243,56910536061,280809829041,

%U 1387541665639,6859214962611,33917224041001,167794254617956,830355849645876

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

%C Column 5 of A316289.

%H R. H. Hardin, <a href="/A316286/b316286.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A316286/a316286.txt">Empirical recurrence of order 85</a>

%F Empirical recurrence of order 85 (see link above).

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A316289.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jun 28 2018

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Last modified April 18 20:26 EDT 2024. Contains 371781 sequences. (Running on oeis4.)