A155324 - OEIS

A155324

Number of ways to place zero or more nonadjacent 1,1 2,0 2,1 3,1 3,2 4,1 5,1 polyhexes in any orientation on a planar nXnXn triangular grid.

1, 7, 19, 37, 133, 535, 2615, 17587, 119298, 919700, 8881748, 102328225, 1400493835, 22807381469, 434028590353

(list; graph; refs; listen; history; text; internal format)

OFFSET

5,2

LINKS

EXAMPLE

Maximal 10 X 10 X 10 example

............0

...........1.0

..........0.1.1

.........0.1.1.0

........0.0.0.1.0

.......0.1.0.0.1.0

......1.1.0.0.0.0.0

.....0.1.1.0.0.0.1.0

....0.1.0.0.1.1.1.1.1

...0.1.0.0.0.0.0.1.0.0

CROSSREFS

KEYWORD

nonn

AUTHOR

STATUS

approved