A240267 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 one plus the sum of the elements diagonally to its northwest, modulo 4

10, 35, 118, 582, 2000, 8353, 37422, 135463, 580528, 2403439, 9094559, 38858731, 155489063, 610603047, 2566277060, 10164936522, 40839681679, 168734662196, 669445744507, 2718398151862, 11090164669401, 44257273047277

Offset

1,1

Comments

Column 3 of A240271

Links

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

Example

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

Crossrefs

Sequence in context: A309883 A049736 A048507 * A359317 A221907 A195269

Adjacent sequences: A240264 A240265 A240266 * A240268 A240269 A240270

Keyword

nonn

Author

R. H. Hardin, Apr 03 2014

Status

approved