A193323 Number of nXnXn triangular 0..1 arrays with each element equal to the product mod 2 of two neighbors

0, 2, 5, 35, 536, 14925, 793364, 78403900, 14523841634, 5077912263585, 3333988310175135, 4109919842182410230, 9524298796836830690410, 41479594927306884269307590

Offset

1,2

Links

Table of n, a(n) for n=1..14.

Example

Some solutions for 4X4X4
.....0........1........0........0........1........0........0........1
....0.0......1.1......0.1......0.1......1.1......1.0......0.0......1.1
...0.1.1....0.1.1....1.1.1....1.1.1....0.0.0....1.1.0....1.1.1....1.1.1
..0.1.1.1..0.1.1.1..1.1.0.0..1.1.1.1..0.0.0.0..0.0.0.0..1.1.1.1..1.1.0.0

Crossrefs

Sequence in context: A063443 A133473 A350955 * A238752 A099137 A309667

Adjacent sequences: A193320 A193321 A193322 * A193324 A193325 A193326

Keyword

nonn

Author

R. H. Hardin Jul 22 2011

Status

approved