A265884 Number of 4Xn arrays containing n copies of 0..4-1 with no element plus any horizontal neighbor equal to 4-1.

24, 792, 30488, 1584088, 90246168, 5533645144, 354287812504, 23438167067992, 1588563008696472, 109745354981510424, 7698924566697728408, 546968972191022407320, 39272717077742756110936, 2845288828126748244839576

Offset

1,1

Comments

Row 4 of A265882.

Links

R. H. Hardin, Table of n, a(n) for n = 1..20

Example

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

Crossrefs

Cf. A265882.

Sequence in context: A270252 A275635 A158651 * A204559 A078522 A268632

Adjacent sequences: A265881 A265882 A265883 * A265885 A265886 A265887

Keyword

nonn

Author

R. H. Hardin, Dec 17 2015

Status

approved