A241302 Number of nX3 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 zero plus the sum of the elements diagonally to its northwest or zero plus the sum of the elements antidiagonally to its northeast, modulo 4

4, 15, 37, 116, 304, 869, 2398, 6813, 18782, 53067, 148098, 418537, 1170103, 3295099, 9238212, 25977693, 72895582, 204839547, 575103785, 1615442306, 4536454530, 12740816702, 35781379670, 100486564040, 282214599565, 792544916224

Offset

1,1

Comments

Column 3 of A241306

Links

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

Example

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

Crossrefs

Sequence in context: A296295 A296268 A209409 * A112666 A014629 A062486

Adjacent sequences: A241299 A241300 A241301 * A241303 A241304 A241305

Keyword

nonn

Author

R. H. Hardin, Apr 18 2014

Status

approved