A193156 - OEIS

A193156

Number of nXnXn triangular 0..2 arrays with each element equal to the sum mod 3 of two neighbors

0, 1, 21, 1093, 172217, 81613877, 113899763795, 468482952092893, 5676720267644621509

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

OFFSET

1,3

LINKS

EXAMPLE

Some solutions for 4X4X4

.....1........0........0........1........1........0........2........0

....2.2......2.1......1.2......1.0......2.2......1.2......1.1......2.1

...2.1.2....1.0.2....1.2.1....0.2.0....1.1.2....0.1.1....2.1.0....2.0.1

..2.0.1.0..2.1.1.0..1.0.1.2..0.0.1.1..2.1.2.1..2.2.0.1..0.1.0.0..0.1.1.2

CROSSREFS

KEYWORD

nonn

AUTHOR

STATUS

approved