A297634 - OEIS

%I #4 Jan 02 2018 11:57:22

%S 13,200,1657,17305,201152,2171757,24145671,273842684,3092881435,

%T 35110077545,400276960038,4567462620785,52189630360815,

%U 597005689977118,6832934080303081,78239896705464813,896178916746000410

%N Number of nX5 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 0, 2 or 3 neighboring 1s.

%C Column 5 of A297637.

%H R. H. Hardin, <a href="/A297634/b297634.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A297634/a297634.txt">Empirical recurrence of order 68</a>

%F Empirical recurrence of order 68 (see link above)

%e Some solutions for n=4

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

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

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

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

%Y Cf. A297637.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 02 2018