A265682 Number of 5Xn arrays containing n copies of 0..5-1 with no equal vertical or antidiagonal neighbors and new values introduced sequentially from 0.

1, 209, 54920, 17745759, 6394366422, 2477249527858, 1010231977111023, 428029649873025426, 186797787645197937783

Offset

1,2

Comments

Row 5 of A265679.

Links

Table of n, a(n) for n=1..9.

Example

Some solutions for n=3
..0..1..2....0..1..2....0..1..2....0..1..2....0..1..2....0..1..2....0..1..0
..3..0..4....3..4..3....2..3..3....3..3..1....3..3..0....3..0..4....2..2..1
..1..2..2....0..2..2....0..1..4....4..2..4....4..4..2....2..3..1....3..4..2
..3..0..4....4..4..3....4..2..3....0..1..2....1..0..4....0..4..4....1..3..4
..4..1..3....1..1..0....1..0..4....3..0..4....2..3..1....1..2..3....4..0..3

Crossrefs

Cf. A265679.

Sequence in context: A203458 A003779 A268659 * A071379 A283153 A125549

Adjacent sequences: A265679 A265680 A265681 * A265683 A265684 A265685

Keyword

nonn

Author

R. H. Hardin, Dec 13 2015

Status

approved