A299934 Number of nX5 0..1 arrays with every element equal to 1, 2, 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.

3, 236, 6243, 144072, 3441754, 82403876, 1969988474, 47097894761, 1126027901118, 26921354166636, 643642170624112, 15388350262653390, 367908346302801018, 8796040464090891020, 210297832442919242608, 5027850714800357439307

Offset

1,1

Comments

Column 5 of A299937.

Links

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

Example

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

Crossrefs

Cf. A299937.

Sequence in context: A298277 A299370 A299139 * A299064 A299836 A299725

Adjacent sequences: A299931 A299932 A299933 * A299935 A299936 A299937

Keyword

nonn

Author

R. H. Hardin, Feb 22 2018

Status

approved