A297698 Number of 5Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 0, 2 or 4 neighboring 1s.

32, 120, 1801, 10647, 118791, 858645, 8377550, 66530487, 609364234, 5059995952, 44971320657, 381429636069, 3341632910246, 28629690153139, 249103320934175, 2144478674778949, 18597757367754151, 160470534661696174

Offset

1,1

Comments

Row 5 of A297694.

Links

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

R. H. Hardin, Empirical recurrence of order 60

Formula

Empirical recurrence of order 60 (see link above)

Example

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

Crossrefs

Cf. A297694.

Sequence in context: A234443 A234436 A297461 * A223314 A203965 A203958

Adjacent sequences: A297695 A297696 A297697 * A297699 A297700 A297701

Keyword

nonn

Author

R. H. Hardin, Jan 03 2018

Status

approved