A297093 Number of nX7 0..1 arrays with no 1 adjacent to 3 king-move neighboring 1s.

128, 5588, 204625, 10038612, 497994853, 24929815289, 1280846320436, 66546097409172, 3477139838772757, 182491339325780005, 9602756370883155535, 506049697800135099988, 26692852888425903191620, 1408777758550473892646101

Offset

1,1

Comments

Column 7 of A297094.

Links

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

Example

Some solutions for n=2
..1..0..1..0..0..1..1. .0..0..0..0..0..1..0. .1..1..1..0..1..0..1
..0..0..0..1..0..0..0. .0..0..0..0..0..0..0. .0..0..0..0..1..0..1

Crossrefs

Cf. A297094.

Sequence in context: A306412 A240931 A282527 * A185488 A283690 A008791

Adjacent sequences: A297090 A297091 A297092 * A297094 A297095 A297096

Keyword

nonn

Author

R. H. Hardin, Dec 25 2017

Status

approved