A240404 Number of nX5 0..3 arrays with no element equal to one plus the sum of elements to its left or three plus the sum of elements above it or zero plus the sum of the elements diagonally to its northwest, modulo 4

7, 77, 1381, 13648, 257243, 3366314, 43820839, 766539340, 9754760605, 139442821024, 2170660872648, 28425049610123, 428335838522441, 6234809732594859, 85273887883266129, 1280632016847475497

Offset

1,1

Comments

Column 5 of A240406

Links

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

Example

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

Crossrefs

Sequence in context: A001765 A246460 A222145 * A093980 A077706 A080492

Adjacent sequences: A240401 A240402 A240403 * A240405 A240406 A240407

Keyword

nonn

Author

R. H. Hardin, Apr 04 2014

Status

approved