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A230575 Number of 6Xn 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, 5130, 3026090, 765537650, 145982711348, 28811520101092, 5535691345641282, 1055265972223647474 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

COMMENTS

Row 6 of A230571

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

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

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

CROSSREFS

Sequence in context: A252919 A255779 A237206 * A251244 A188338 A213701

Adjacent sequences:  A230572 A230573 A230574 * A230576 A230577 A230578

KEYWORD

nonn

AUTHOR

R. H. Hardin, Oct 23 2013

STATUS

approved

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Last modified April 16 16:22 EDT 2021. Contains 343050 sequences. (Running on oeis4.)