A276304 Number of 7Xn 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.

365, 710, 14693, 203933, 3861469, 61239977, 1073114625, 17768699385, 303744206293, 5099725153529, 86493302028957, 1458615553542913, 24677069062558769, 416736142368242189, 7044833158816604637

Offset

1,1

Comments

Row 7 of A276299.

Links

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

R. H. Hardin, Empirical recurrence of order 59

Formula

Empirical recurrence of order 59 (see link above)

Example

Some solutions for n=3
..0..1..0. .0..1..2. .0..1..2. .0..1..2. .0..1..0. .0..1..0. .0..1..2
..2..1..2. .0..1..0. .2..1..2. .2..1..0. .2..1..0. .2..1..0. .2..1..0
..2..1..2. .2..1..0. .0..1..2. .2..1..0. .0..1..0. .0..1..2. .2..1..2
..2..1..2. .0..1..0. .2..1..0. .2..1..2. .0..1..2. .0..1..2. .0..1..2
..2..1..2. .0..1..0. .0..1..2. .0..1..2. .2..1..0. .0..1..0. .2..1..0
..2..0..2. .0..1..2. .0..1..2. .2..0..2. .2..1..2. .0..1..0. .0..1..2
..2..1..0. .0..1..0. .0..1..2. .2..1..2. .2..1..0. .2..1..2. .2..1..2

Crossrefs

Cf. A276299.

Sequence in context: A073304 A011763 A116354 * A033171 A033172 A033173

Adjacent sequences: A276301 A276302 A276303 * A276305 A276306 A276307

Keyword

nonn

Author

R. H. Hardin, Aug 28 2016

Status

approved