A192445 Number of nXnXn triangular binary arrays with every 1 adjacent to an even number other 1s

2, 5, 19, 110, 965, 12696, 251520, 7498450, 336446294, 22720523873, 2309450286591, 353351074258110, 81381931586454129, 28215435464402801930

Offset

1,1

Links

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

Example

Some solutions for 6X6X6
.......1............0............0............1............1............0
......1.1..........1.0..........0.1..........1.1..........0.0..........0.0
.....0.0.0........0.0.1........1.1.1........0.0.0........0.1.0........1.0.1
....0.1.1.0......0.0.0.0......0.1.0.0......1.1.0.0......0.0.0.0......0.0.0.0
...1.0.1.0.0....1.0.1.0.1....0.0.0.0.0....0.1.0.0.0....0.1.0.0.1....0.1.0.0.0
..0.0.1.1.0.1..0.0.0.0.0.0..0.0.0.1.0.0..1.0.0.0.1.0..1.0.0.1.0.0..0.0.0.0.1.0

Crossrefs

Sequence in context: A107882 A328977 A224691 * A089126 A113346 A198945

Adjacent sequences: A192442 A192443 A192444 * A192446 A192447 A192448

Keyword

nonn

Author

R. H. Hardin Jul 01 2011

Status

approved