A192724 Number of nXnXn triangular 0..1 arrays with each element equal to at least one neighbor, containing at least one 1 and with new values 0..1 introduced in row major order

0, 0, 9, 125, 3176, 158062, 15473372, 2981756708, 1131238674764, 844937235946974, 1242458005388315094, 3596882436029100961276, 20500197685375360012821575, 230026108495284153905216078860, 5081401276365121365697869509141767

Offset

1,3

Links

R. H. Hardin, Table of n, a(n) for n = 1..17

Example

All solutions for 3X3X3
....0......0......0......0......0......0......0......0......0
...0.0....0.1....0.1....0.0....1.0....1.0....1.0....0.1....0.0
..0.1.1..0.1.1..1.1.1..1.1.0..1.0.0..1.1.1..1.1.0..0.0.1..1.1.1

Crossrefs

Sequence in context: A320646 A241709 A085528 * A078422 A291897 A324201

Adjacent sequences: A192721 A192722 A192723 * A192725 A192726 A192727

Keyword

nonn

Author

R. H. Hardin Jul 08 2011

Status

approved