A240411 Number of nX6 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of elements above it or zero plus the sum of the elements diagonally to its northwest, modulo 4

14, 493, 17075, 773196, 33373526, 1615637679, 74389514201, 3790596926634, 180050906023325, 9401180099632567, 454863378057031995

Offset

1,1

Comments

Column 6 of A240412

Links

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

Example

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

Crossrefs

Sequence in context: A128051 A217337 A251867 * A024299 A190999 A320288

Adjacent sequences: A240408 A240409 A240410 * A240412 A240413 A240414

Keyword

nonn

Author

R. H. Hardin, Apr 04 2014

Status

approved