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A270508 Number of nXnXn triangular 0..6 arrays with some element plus some adjacent element totalling 6+1 exactly once. 0
0, 90, 40392, 65046258, 448630205184, 14156156843376732, 2109167396478578514420, 1510530585264765595630150668 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Column 6 of A270509.
LINKS
EXAMPLE
Some solutions for n=3
....3......1......6......1......4......1......4......2......3......6......5
...4.0....4.6....4.3....0.4....6.3....4.6....4.6....1.2....3.5....1.3....4.4
..6.5.6..6.6.0..2.1.0..4.2.5..6.0.2..0.0.6..4.4.1..3.6.6..4.5.5..0.5.5..1.1.3
CROSSREFS
Cf. A270509.
Sequence in context: A278631 A323317 A246634 * A134648 A145413 A367459
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 18 2016
STATUS
approved

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Last modified June 25 15:24 EDT 2024. Contains 373705 sequences. (Running on oeis4.)