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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. 0
1, 209, 54920, 17745759, 6394366422, 2477249527858, 1010231977111023, 428029649873025426, 186797787645197937783 (list; graph; refs; listen; history; text; internal format)
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

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Last modified February 20 19:02 EST 2020. Contains 332082 sequences. (Running on oeis4.)