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A230574 Number of 5Xn 0..4 arrays x(i,j) with each element horizontally or antidiagonally next to at least one element with value (x(i,j)+1) mod 5, and upper left element zero 1
0, 0, 0, 430, 91084, 8554108, 615786708, 45684933988, 3311984113864, 238273036720020, 17116839496736710, 1229140365118078742, 88234310090425774078, 6333286108577217020782, 454581456095147492239504 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

COMMENTS

Row 5 of A230571

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..23

EXAMPLE

Some solutions for n=4

..0..1..2..3....0..1..0..4....0..1..2..1....0..1..2..3....0..1..2..1

..0..1..4..0....2..3..4..0....2..3..4..3....0..1..4..0....2..3..0..0

..0..4..1..0....2..1..1..2....4..0..2..1....0..4..1..0....4..0..1..2

..3..2..1..0....0..4..3..2....1..2..0..4....3..2..4..1....4..3..3..4

..1..0..4..3....3..0..1..0....3..4..3..2....1..3..2..1....2..1..0..4

CROSSREFS

Sequence in context: A165058 A165062 A203545 * A208627 A176387 A160518

Adjacent sequences:  A230571 A230572 A230573 * A230575 A230576 A230577

KEYWORD

nonn

AUTHOR

R. H. Hardin, Oct 23 2013

STATUS

approved

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Last modified May 18 04:22 EDT 2021. Contains 343994 sequences. (Running on oeis4.)