A230573 Number of 4 X n 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, 32, 2582, 93450, 2541242, 70699812, 1933505188, 52460448298, 1419932825064, 38407842262522, 1038562970267906, 28078745979449558, 759100680221322298, 20521698685121650464, 554783828758730501850

Offset

1,4

Comments

Row 4 of A230571.

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=4
..0..1..2..3....0..1..0..4....0..1..2..3....0..1..0..4....0..1..2..1
..0..4..4..0....2..3..3..2....0..4..4..0....2..3..2..1....2..3..0..4
..3..2..1..3....4..0..1..0....3..2..1..0....4..0..0..4....4..0..3..0
..1..0..4..3....2..3..4..3....1..3..4..3....1..2..3..2....1..2..1..0

Crossrefs

Cf. A230571.

Sequence in context: A222742 A077143 A198284 * A111923 A136246 A248074

Adjacent sequences: A230570 A230571 A230572 * A230574 A230575 A230576

Keyword

nonn

Author

R. H. Hardin, Oct 23 2013

Status

approved