A240045 Number of nX6 0..3 arrays with no element equal to zero plus the sum of elements to its left or zero plus the sum of elements above it or zero plus the sum of the elements diagonally to its northwest or one plus the sum of the elements antidiagonally to its northeast, modulo 4

14, 76, 597, 5780, 55034, 640643, 8300260, 119956268, 1944727891, 34311716212, 646898229040

Offset

1,1

Comments

Column 6 of A240046

Links

Table of n, a(n) for n=1..11.

Example

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

Crossrefs

Sequence in context: A152100 A173962 A200547 * A280396 A010821 A022706

Adjacent sequences: A240042 A240043 A240044 * A240046 A240047 A240048

Keyword

nonn

Author

R. H. Hardin, Mar 31 2014

Status

approved