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A302462 Number of 4Xn 0..1 arrays with every element equal to 0, 2, 3 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. 1

%I

%S 8,3,55,10,233,123,1518,2945,16711,58462,256863,1039347,4337252,

%T 17926079,74303683,307706930,1274892369,5281342547,21882023418,

%U 90662172089,375642965369,1556440391546,6448902902619,26720451492533,110713137717160

%N Number of 4Xn 0..1 arrays with every element equal to 0, 2, 3 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

%C Row 4 of A302460.

%H R. H. Hardin, <a href="/A302462/b302462.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A302462/a302462.txt">Empirical recurrence of order 71</a>

%F Empirical recurrence of order 71 (see link above)

%e Some solutions for n=5

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

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

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

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

%Y Cf. A302460.

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 08 2018

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Last modified October 25 22:20 EDT 2021. Contains 348256 sequences. (Running on oeis4.)