A299838 Number of nX7 0..1 arrays with every element equal to 1, 2, 3, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero.

8, 3336, 402928, 41026724, 4390323230, 473261273932, 50892107038125, 5471622342472717, 588340577558059509, 63262065057639295398, 6802303580774288160044, 731423053957352413649011

Offset

1,1

Comments

Column 7 of A299839.

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=5
..0..0..0..1..0..1..0. .0..0..0..0..1..0..0. .0..0..0..1..1..0..0
..0..0..0..1..1..0..0. .0..0..0..1..1..0..0. .0..0..0..1..1..0..0
..0..0..0..1..0..0..1. .0..0..0..1..0..0..1. .0..0..0..1..1..1..1
..0..0..0..0..1..1..0. .0..0..0..0..1..1..0. .0..0..0..0..1..1..0
..0..0..0..1..0..0..0. .0..0..0..1..1..0..0. .0..0..0..1..1..0..0

Crossrefs

Cf. A299839.

Sequence in context: A299141 A299936 A299066 * A299727 A046250 A318067

Adjacent sequences: A299835 A299836 A299837 * A299839 A299840 A299841

Keyword

nonn

Author

R. H. Hardin, Feb 20 2018

Status

approved