A193326 Number of nXnXn triangular 0..4 arrays with each element equal to the product mod 5 of two neighbors

0, 5, 63, 11661, 7136222, 18941130521

Offset

1,2

Links

Table of n, a(n) for n=1..6.

Example

Some solutions for 4X4X4
.....0........4........2........2........1........3........1........1
....0.1......1.4......2.1......4.3......1.1......2.4......1.1......1.1
...2.2.3....1.3.2....4.3.4....1.4.3....4.3.0....4.1.4....4.3.3....4.1.1
..1.3.4.2..2.2.4.3..2.3.2.3..2.2.4.2..3.2.0.0..2.3.4.1..1.4.2.1..1.4.2.2

Crossrefs

Sequence in context: A306763 A275763 A004193 * A193834 A193875 A193184

Adjacent sequences: A193323 A193324 A193325 * A193327 A193328 A193329

Keyword

nonn

Author

R. H. Hardin Jul 22 2011

Status

approved