A192903 Number of nXnXn triangular 0..7 arrays with each element equal to at least two neighbors and with new values 0..7 introduced in row major order

0, 1, 1, 10, 93, 6350, 776655, 424648389

Offset

1,4

Links

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

Example

Some solutions for 7X7X7
........0..............0..............0..............0..............0
.......0.0............0.0............0.0............0.0............0.0
......1.2.2..........1.1.2..........1.2.2..........1.2.2..........1.1.2
.....1.1.2.3........3.1.2.2........1.1.2.3........1.1.2.3........3.1.2.2
....1.1.1.3.3......3.3.1.1.1......4.4.3.3.3......4.4.5.3.3......3.3.2.2.2
...4.1.5.6.6.7....4.5.5.6.1.7....5.4.3.6.6.7....6.4.5.5.7.7....4.3.5.6.6.7
..4.4.5.5.6.7.7..4.4.5.6.6.7.7..5.5.3.3.6.7.7..6.6.5.5.7.7.7..4.4.5.5.6.7.7

Crossrefs

Sequence in context: A192900 A192901 A192902 * A050793 A281203 A369335

Adjacent sequences: A192900 A192901 A192902 * A192904 A192905 A192906

Keyword

nonn

Author

R. H. Hardin Jul 12 2011

Status

approved