A241311 Number of 6Xn 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of the 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

129, 28, 869, 4499, 41336, 490486, 5098814, 41458261, 447396605, 4122362491, 31003207359

Offset

1,1

Comments

Row 6 of A241306

Links

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

Example

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

Crossrefs

Sequence in context: A017551 A087929 A034062 * A252716 A337068 A298720

Adjacent sequences: A241308 A241309 A241310 * A241312 A241313 A241314

Keyword

nonn

Author

R. H. Hardin, Apr 18 2014

Status

approved