A276297 Number of nX6 0..2 arrays with no element equal to any value at offset (-2,-1) (-1,1) or (0,-1) and new values introduced in order 0..2.

16, 324, 2765, 33461, 408105, 4988145, 61239977, 752660245, 9254592049, 113817204341, 1399867249821, 17217717400933, 211770912156897, 2604690694931325, 32036472371696501, 394032445053865405

Offset

1,1

Comments

Column 6 of A276299.

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..2..1. .0..1..2..0..2..0. .0..1..0..1..0..1. .0..1..0..2..0..2
..0..1..2..1..2..1. .2..1..2..0..1..2. .0..1..0..1..2..0. .0..2..0..1..0..2
..0..1..2..0..2..1. .0..1..2..0..1..0. .2..1..0..1..2..1. .0..2..0..2..0..1
..0..1..2..1..2..0. .2..1..2..0..1..0. .2..1..2..1..0..1. .0..2..1..2..0..2

Crossrefs

Cf. A276299.

Sequence in context: A159536 A274893 A275135 * A229456 A246876 A176128

Adjacent sequences: A276294 A276295 A276296 * A276298 A276299 A276300

Keyword

nonn

Author

R. H. Hardin, Aug 28 2016

Status

approved