A239647 Number of n X 6 0..3 arrays with no element equal to zero plus the sum of elements to its left or two plus the sum of elements above it, modulo 4.

64, 8588, 1320102, 181039448, 25594620082, 3608789598890, 506611939408296, 71303275040032094, 10028169382114414238, 1410355079410016070644, 198375045596724574543898, 27900810294523342171973188

Offset

1,1

Comments

Column 6 of A239649.

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

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

Crossrefs

Cf. A239649.

Sequence in context: A183499 A187702 A184764 * A222140 A093264 A264146

Adjacent sequences: A239644 A239645 A239646 * A239648 A239649 A239650

Keyword

nonn

Author

R. H. Hardin, Mar 23 2014

Status

approved