A297949 - OEIS

%I #4 Jan 09 2018 07:35:29

%S 5,604,3079,19561,134642,938557,6423236,44289957,305715877,2107842851,

%T 14539629113,100358074856,692557160755,4778987712641,32981520600325,

%U 227616103194905,1570822561986655,10840761116053551,74815887145182594

%N Number of nX6 0..1 arrays with every element equal to 1, 2, 3 or 5 king-move adjacent elements, with upper left element zero.

%C Column 6 of A297951.

%H R. H. Hardin, <a href="/A297949/b297949.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A297951.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 09 2018