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A230576 Number of 7Xn 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 0
0, 0, 0, 58474, 98987768, 67978636208, 34266592666538, 17991771309348534, 9155613751914545266, 4619389107348901275470 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

COMMENTS

Row 7 of A230571

LINKS

Table of n, a(n) for n=1..10.

EXAMPLE

Some solutions for n=4

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

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

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

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

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

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

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

CROSSREFS

Sequence in context: A295448 A220987 A273318 * A075980 A031684 A031657

Adjacent sequences:  A230573 A230574 A230575 * A230577 A230578 A230579

KEYWORD

nonn

AUTHOR

R. H. Hardin, Oct 23 2013

STATUS

approved

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Last modified May 16 14:38 EDT 2021. Contains 343949 sequences. (Running on oeis4.)