A275225 Number of nX5 0..2 arrays with no element equal to any value at offset (-2,-1) (-2,1) or (-1,0) and new values introduced in order 0..2.

41, 1296, 1885, 9075, 64248, 460034, 3334854, 24595019, 181187962, 1332436071, 9810172225, 72273272964, 532374394904, 3921375107766, 28886433275447, 212793855415512, 1567545471803795, 11547327991701749, 85063839496736654

Offset

1,1

Comments

Column 5 of A275228.

Links

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

R. H. Hardin, Empirical recurrence of order 81

Formula

Empirical recurrence of order 81 (see link above)

Example

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

Crossrefs

Cf. A275228.

Sequence in context: A196902 A297349 A014937 * A275145 A118451 A094455

Adjacent sequences: A275222 A275223 A275224 * A275226 A275227 A275228

Keyword

nonn

Author

R. H. Hardin, Jul 20 2016

Status

approved