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A216936 Number of side-n hexagonal 0..7 arrays with values nondecreasing E, SW and SE 0
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
Sequence in context: A356083 A278854 A115442 * A090494 A079656 A114773
KEYWORD
nonn
AUTHOR
R. H. Hardin Sep 20 2012
STATUS
approved

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Last modified June 14 15:00 EDT 2024. Contains 373400 sequences. (Running on oeis4.)