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A302805 Number of nX5 0..1 arrays with every element equal to 0, 1, 2, 3 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. 1

%I #4 Apr 13 2018 13:07:10

%S 16,384,5117,74072,1089773,15904814,232260380,3396923500,49653502029,

%T 725819333902,10610883930284,155117154439613,2267613174993517,

%U 33149833862902867,484610500065661957,7084420896663049377

%N Number of nX5 0..1 arrays with every element equal to 0, 1, 2, 3 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

%C Column 5 of A302808.

%H R. H. Hardin, <a href="/A302805/b302805.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A302805/a302805.txt">Empirical recurrence of order 90</a>

%F Empirical recurrence of order 90 (see link above)

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A302808.

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 13 2018

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Last modified April 24 18:17 EDT 2024. Contains 371962 sequences. (Running on oeis4.)