A216936 - OEIS

A216936

Number of side-n hexagonal 0..7 arrays with values nondecreasing E, SW and SE

8, 7656, 46978360, 609829326268, 11433160307353408, 260484745143941231864, 6599849499864661350027328

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

OFFSET

1,1

COMMENTS

Column 7 of A216937

LINKS

EXAMPLE

Some solutions for n=3

......0.0.0..........0.0.0..........0.0.0..........0.0.0..........0.0.0

.....0.0.0.0........0.0.0.0........0.0.0.0........0.0.0.0........0.0.0.0

....0.0.0.0.2......0.0.0.2.5......0.0.0.2.5......0.0.0.2.3......0.0.0.1.4

.....0.0.0.2........1.2.3.6........4.5.5.7........0.1.4.5........4.5.6.6

......2.6.6..........2.5.6..........5.7.7..........3.5.5..........5.6.6

CROSSREFS

KEYWORD

nonn

AUTHOR

STATUS

approved