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A270506 Number of nXnXn triangular 0..4 arrays with some element plus some adjacent element totalling 4+1 exactly once. 0
0, 36, 4584, 1522068, 1489277664, 4560833505432, 44967908021958960, 1450801761221082616968, 154736319577816788156716880, 54932906387551131414935945306700 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Column 4 of A270509.
LINKS
EXAMPLE
Some solutions for n=3
....2......2......0......0......3......1......0......0......4......4......2
...2.2....4.4....4.3....1.2....2.4....3.3....3.4....2.0....2.4....1.0....0.2
..3.1.1..2.0.1..3.4.1..4.0.0..4.4.0..4.1.3..1.2.4..3.0.3..3.4.4..3.3.4..4.0.3
CROSSREFS
Cf. A270509.
Sequence in context: A127856 A127860 A189148 * A299698 A203752 A184135
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 18 2016
STATUS
approved

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Last modified June 20 16:01 EDT 2024. Contains 373526 sequences. (Running on oeis4.)