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A216934 Number of side-n hexagonal 0..5 arrays with values nondecreasing E, SW and SE 0
6, 1572, 1374208, 1783839948, 2711219461532, 4389382785819252, 7251826449700700016, 11974982327518714139584, 19562098569257627523741964, 31456058103183393532138318824 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 5 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........0.0.0.3........0.0.0.1........0.0.0.1........0.0.0.3
....0.0.1.1.2......0.0.2.3.3......0.0.0.1.4......0.1.2.2.3......0.1.1.4.5
.....0.2.4.5........3.3.3.5........1.1.3.5........3.3.3.3........1.3.4.5
......2.5.5..........4.5.5..........1.4.5..........3.4.4..........3.4.5
CROSSREFS
Sequence in context: A131453 A265862 A281255 * A308029 A160226 A209609
KEYWORD
nonn
AUTHOR
R. H. Hardin Sep 20 2012
STATUS
approved

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Last modified June 24 03:36 EDT 2024. Contains 373661 sequences. (Running on oeis4.)