A297611 Number of 5Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 0, 1 or 3 neighboring 1s.

32, 327, 4997, 52512, 654033, 7847849, 95770934, 1148443249, 13884667603, 167592720077, 2024372521570, 24432686895980, 294998084171978, 3561526553863170, 42999816821644113, 519135250383753409

Offset

1,1

Comments

Row 5 of A297607.

Links

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

R. H. Hardin, Empirical recurrence of order 96

Formula

Empirical recurrence of order 96 (see link above)

Example

Some solutions for n=4
..0..1..0..1. .0..1..0..0. .1..0..1..1. .0..0..1..0. .1..0..0..0
..0..0..0..1. .0..0..0..0. .1..0..0..0. .0..0..1..0. .1..1..1..0
..1..0..1..0. .1..0..0..1. .0..1..0..1. .0..0..1..1. .0..0..0..0
..1..0..0..0. .1..0..0..0. .0..1..0..1. .1..0..1..0. .0..0..0..1
..0..1..0..0. .0..0..1..1. .0..0..0..0. .0..0..0..0. .0..1..1..1

Crossrefs

Cf. A297607.

Sequence in context: A224161 A224412 A192075 * A201152 A223017 A293288

Adjacent sequences: A297608 A297609 A297610 * A297612 A297613 A297614

Keyword

nonn

Author

R. H. Hardin, Jan 01 2018

Status

approved