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, 5130, 3026090, 765537650, 145982711348, 28811520101092, 5535691345641282, 1055265972223647474

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