A239409 Number of 5Xn 0..3 arrays with no element equal to one plus the sum of elements to its left or two plus the sum of the elements above it, modulo 4

66, 3805, 205969, 11334364, 614216271, 33522573911, 1820591502437, 99155297311831, 5390539057008613, 293381673332485198, 15956203146991156417, 868193383242995642964, 47226335011968154541246, 2569370658950018916786902

Offset

1,1

Comments

Row 5 of A239405

Links

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

Example

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

Crossrefs

Sequence in context: A138877 A265454 A004998 * A295592 A097316 A239337

Adjacent sequences: A239406 A239407 A239408 * A239410 A239411 A239412

Keyword

nonn

Author

R. H. Hardin, Mar 17 2014

Status

approved