A297680 Number of nX6 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 0, 1 or 4 neighboring 1s.

44, 597, 12110, 221420, 4202440, 78957968, 1487819051, 28013761161, 527589764007, 9935480401770, 187107516285853, 3523634803856570, 66357694370878682, 1249658843756374555, 23533781410865979450

Offset

1,1

Comments

Column 6 of A297682.

Links

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

R. H. Hardin, Empirical recurrence of order 57

Formula

Empirical recurrence of order 57 (see link above)

Example

Some solutions for n=3
..1..0..1..0..1..0. .1..0..1..0..1..1. .0..1..0..1..0..0. .1..0..0..0..1..0
..0..0..0..0..0..1. .1..0..0..0..0..0. .0..1..0..1..0..0. .0..1..0..1..0..0
..1..0..0..0..0..0. .1..0..1..0..0..1. .0..1..1..1..0..1. .0..0..0..0..0..1

Crossrefs

Cf. A297682.

Sequence in context: A354608 A339852 A202075 * A264680 A356415 A289647

Adjacent sequences: A297677 A297678 A297679 * A297681 A297682 A297683

Keyword

nonn

Author

R. H. Hardin, Jan 03 2018

Status

approved