A241433 Number of nX6 0..3 arrays with no element equal to one 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 or one plus the sum of the elements antidiagonally to its northeast, modulo 4

15, 88, 448, 5915, 45139, 377314, 4136727, 34541924, 418453966, 4088141292, 40962255699, 430943324954, 4031664281839

Offset

1,1

Comments

Column 6 of A241435

Links

Table of n, a(n) for n=1..13.

Example

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

Crossrefs

Sequence in context: A230676 A232070 A219598 * A220150 A164541 A145789

Adjacent sequences: A241430 A241431 A241432 * A241434 A241435 A241436

Keyword

nonn

Author

R. H. Hardin, Apr 22 2014

Status

approved