A240346 Number of nX6 0..3 arrays with no element equal to one plus the sum of elements to its left or one plus the sum of elements above it or three plus the sum of the elements diagonally to its northwest, modulo 4

64, 6002, 483926, 36002110, 2607237326, 186214281670, 13200773101956, 932020621734728, 65655164797742344, 4619125443721319866, 324741400524266682048, 22821153037634810828668, 1603378159076441862445718

Offset

1,1

Comments

Column 6 of A240347

Links

Table of n, a(n) for n=1..13.

Example

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

Crossrefs

Sequence in context: A317003 A316821 A317571 * A009823 A222100 A223265

Adjacent sequences: A240343 A240344 A240345 * A240347 A240348 A240349

Keyword

nonn

Author

R. H. Hardin, Apr 04 2014

Status

approved