A275034 Number of nX5 0..2 arrays with no element equal to any value at offset (0,-1) (-1,-2) or (-2,0) and new values introduced in order 0..2.

8, 144, 401, 2185, 11624, 64045, 351197, 1931619, 10581148, 58059378, 318560731, 1748917949, 9599252329, 52687857322, 289177064605, 1587227410761, 8711951100374, 47818210862037, 262463115597687, 1440600501570000

Offset

1,1

Comments

Column 5 of A275037.

Links

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

R. H. Hardin, Empirical recurrence of order 70

Formula

Empirical recurrence of order 70 (see link above)

Example

Some solutions for n=4
..0..1..2..0..1. .0..1..0..2..1. .0..1..2..1..0. .0..1..2..0..2
..2..0..1..2..1. .0..2..1..0..1. .2..0..2..0..1. .2..0..1..0..1
..1..2..0..1..0. .1..0..2..1..0. .1..2..0..2..1. .1..0..1..2..0
..0..1..2..0..2. .1..0..2..1..0. .0..2..0..1..2. .0..2..0..1..0

Crossrefs

Cf. A275037.

Sequence in context: A112464 A227875 A235383 * A275139 A370071 A241229

Adjacent sequences: A275031 A275032 A275033 * A275035 A275036 A275037

Keyword

nonn

Author

R. H. Hardin, Jul 14 2016

Status

approved