A241362 Number of 7Xn 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 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

24, 7, 243, 1323, 6380, 183400, 1904754, 10693549, 198803445, 2384535274, 17881286874

Offset

1,1

Comments

Row 7 of A241356

Links

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

Example

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

Crossrefs

Sequence in context: A068613 A297983 A298632 * A363793 A033823 A040557

Adjacent sequences: A241359 A241360 A241361 * A241363 A241364 A241365

Keyword

nonn

Author

R. H. Hardin, Apr 20 2014

Status

approved