A297594 Number of nX7 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1 or 5 neighboring 1s.

13, 121, 1141, 10131, 103673, 975485, 9403199, 90862063, 875241087, 8427042917, 81250292031, 782990517405, 7544924295103, 72709571496955, 700713916141533, 6752623088862903, 65073651435105965, 627109480901081661

Offset

1,1

Comments

Column 7 of A297595.

Links

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

R. H. Hardin, Empirical recurrence of order 83

Formula

Empirical recurrence of order 83 (see link above)

Example

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

Crossrefs

Cf. A297595.

Sequence in context: A317483 A096053 A033470 * A326569 A339057 A016230

Adjacent sequences: A297591 A297592 A297593 * A297595 A297596 A297597

Keyword

nonn

Author

R. H. Hardin, Jan 01 2018

Status

approved