A241258 Number of 4Xn 0..3 arrays with no element equal to one plus the sum of elements to its left or zero plus the sum of the elements above it or one plus the sum of the elements diagonally to its northwest or zero plus the sum of the elements antidiagonally to its northeast, modulo 4

6, 39, 47, 120, 446, 1202, 3822, 11428, 35540, 119334, 350064, 1176852, 3642784, 10937680, 36354323, 110544260, 342643258, 1103393347, 3372356997, 10609585314, 33372515121, 103547161107, 325451014192, 1015953932945, 3176715059861

Offset

1,1

Comments

Row 4 of A241255

Links

R. H. Hardin, Table of n, a(n) for n = 1..180

Example

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

Crossrefs

Sequence in context: A239983 A375346 A096674 * A366212 A061423 A080298

Adjacent sequences: A241255 A241256 A241257 * A241259 A241260 A241261

Keyword

nonn

Author

R. H. Hardin, Apr 18 2014

Status

approved