A192897 Number of nXnXn triangular 0..1 arrays with each element equal to at least two neighbors and with new values 0..1 introduced in row major order

0, 1, 1, 7, 48, 699, 17980, 799894, 63066784, 8698226988, 2104632006998, 892430799525618, 663245471214514116, 863873891464881656064

Offset

1,4

Links

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

Example

All solutions for 4X4X4
.....0........0........0........0........0........0........0
....0.0......0.0......0.0......0.0......0.0......0.0......0.0
...0.0.0....0.0.1....0.1.1....1.0.0....1.1.0....1.0.1....1.1.1
..0.0.0.0..0.0.1.1..0.0.1.1..1.1.0.0..1.1.0.0..1.1.1.1..1.1.1.1

Crossrefs

Sequence in context: A231378 A024092 A163713 * A317014 A330329 A115589

Adjacent sequences: A192894 A192895 A192896 * A192898 A192899 A192900

Keyword

nonn

Author

R. H. Hardin Jul 12 2011

Status

approved