A281952 Number of nX5 0..1 arrays with no element unequal to more than four of its king-move neighbors and with new values introduced in order 0 sequentially upwards.

16, 420, 2559, 19089, 130416, 944967, 6763599, 48984359, 354789627, 2573699813, 18697314731, 135843108316, 987512556916, 7179552344248, 52204658624294, 379626889263202, 2760696720563224, 20076810583748426, 146007910007427435

Offset

1,1

Comments

Column 5 of A281955.

Links

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

R. H. Hardin, Empirical recurrence of order 69

Formula

Empirical recurrence of order 69 (see link above)

Example

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

Crossrefs

Cf. A281955.

Sequence in context: A239645 A349966 A143039 * A316180 A305766 A317115

Adjacent sequences: A281949 A281950 A281951 * A281953 A281954 A281955

Keyword

nonn

Author

R. H. Hardin, Feb 03 2017

Status

approved