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A214905 Number of nXnXn triangular 0..7 arrays with every horizontal row nondecreasing and having the same average value 1
8, 20, 136, 2490, 100350, 8156190, 1207302502, 309961452102, 129904063711602, 85673347663408802, 85480932170854384802, 125968968872611859748002, 266580924247101550726536002, 795103957638983793244454088002 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A214906
LINKS
EXAMPLE
Some solutions for n=4
.....3........5........3........3........2........5........3........4
....3.3......5.5......1.5......1.5......0.4......3.7......2.4......3.5
...0.4.5....1.7.7....0.3.6....0.3.6....0.3.3....5.5.5....1.4.4....1.4.7
..0.4.4.4..4.4.6.6..1.1.5.5..1.1.4.6..0.0.3.5..2.6.6.6..1.3.4.4..3.3.5.5
CROSSREFS
Sequence in context: A297639 A094253 A208084 * A230987 A060668 A221067
KEYWORD
nonn
AUTHOR
R. H. Hardin Jul 29 2012
STATUS
approved

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Last modified March 28 21:57 EDT 2024. Contains 371254 sequences. (Running on oeis4.)