A281031 Number of nX5 0..1 arrays with no element equal to more than three of its king-move neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.

0, 58, 2321, 9854, 44395, 184290, 722952, 2696692, 9734320, 34378916, 119479572, 409793340, 1390770988, 4679313804, 15630279254, 51891762034, 171376744116, 563406924184, 1844814347903, 6019287405002, 19577996105250, 63498640476100

Offset

1,2

Comments

Column 5 of A281034.

Links

R. H. Hardin, Table of n, a(n) for n = 1..250

R. H. Hardin, Empirical recurrence of order 98

Formula

Empirical recurrence of order 98 (see link above)

Example

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

Crossrefs

Cf. A281034.

Sequence in context: A035724 A017721 A280111 * A225352 A278097 A299467

Adjacent sequences: A281028 A281029 A281030 * A281032 A281033 A281034

Keyword

nonn

Author

R. H. Hardin, Jan 13 2017

Status

approved