A193325 Number of nXnXn triangular 0..3 arrays with each element equal to the product mod 4 of two neighbors

0, 5, 33, 1735, 258210, 143577818, 241937973790, 1250512009539459

Offset

1,2

Links

Table of n, a(n) for n=1..8.

Example

Some solutions for 4X4X4
.....3........3........2........2........1........0........3........0
....3.1......1.3......1.2......3.2......1.1......0.2......3.1......0.1
...1.3.0....3.2.2....1.1.0....3.1.1....0.3.3....3.2.3....1.1.0....0.3.3
..1.1.0.0..1.3.2.0..3.3.3.0..0.0.1.1..0.3.1.3..3.1.3.1..1.1.1.0..0.1.3.1

Crossrefs

Sequence in context: A276160 A145505 A276126 * A303693 A256373 A124936

Adjacent sequences: A193322 A193323 A193324 * A193326 A193327 A193328

Keyword

nonn

Author

R. H. Hardin Jul 22 2011

Status

approved