A155300 - OEIS

A155300

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

1, 13, 37, 136, 613, 4136, 32205, 274737, 3263659, 46765263, 810265107

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

OFFSET

5,2

LINKS

EXAMPLE

Maximal 11 X 11 X 11 example

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

............0.0

...........1.0.0

..........0.1.1.1

.........0.0.0.0.1

........1.0.0.0.0.1

.......1.0.0.0.1.0.0

......1.0.1.0.0.1.1.1

.....0.1.0.1.0.0.0.0.1

....0.0.1.0.1.1.1.0.0.1

...0.0.1.0.0.0.0.1.0.0.0

CROSSREFS

KEYWORD

nonn

AUTHOR

STATUS

approved