A239596 Number of nX4 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of elements above it or one plus the sum of the elements diagonally to its northwest or one plus the sum of the elements antidiagonally to its northeast, modulo 4

24, 64, 187, 643, 1737, 7461, 24946, 78667, 313003, 946740, 3353070, 11758390, 36733281, 134840254, 447239565, 1494320065, 5328884020, 17359223415, 60336682303, 207461258909, 687759739866, 2406912915998, 8088972710842

Offset

1,1

Comments

Column 4 of A239599

Links

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

Example

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

Crossrefs

Sequence in context: A352343 A022761 A090386 * A306132 A118609 A127878

Adjacent sequences: A239593 A239594 A239595 * A239597 A239598 A239599

Keyword

nonn

Author

R. H. Hardin, Mar 22 2014

Status

approved