A303420 - OEIS

%I #4 Apr 23 2018 10:54:24

%S 64,8192,972168,116517744,13963574592,1673186560760,200493397340704,

%T 24024569786901184,2878797172114538576,344958245288471965824,

%U 41335385495979014696632,4953104083775431293635528

%N Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

%C Column 7 of A303421.

%H R. H. Hardin, <a href="/A303420/b303420.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A303420/a303420.txt">Empirical recurrence of order 58</a>

%F Empirical recurrence of order 58 (see link above)

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A303421.

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 23 2018