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A271679 Number of ways to move elements of an nXnXn triangular array to themselves or a neighbor, with no more than 3-1 elements moved to themselves. 0
1, 5, 43, 1060, 52748, 7094704, 2145306564, 1620658809592, 2911303191478512, 12781455928074495792 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Column 3 of A271684.
LINKS
EXAMPLE
Some solutions for n=4
.....0........6........5........5........0........5........5........6
....6.3......0.1......4.1......2.5......4.3......2.5......2.0......2.5
...5.5.1....5.5.6....6.0.6....5.5.1....5.5.0....5.2.5....0.4.6....2.4.5
..2.4.2.0..2.2.2.3..2.3.2.3..2.4.4.1..2.2.4.3..4.1.4.1..4.3.1.3..0.1.3.0
Element moves: 0=itself 1=nw 2=ne 3=w 4=e 5=sw 6=se, reciprocals total 7
CROSSREFS
Cf. A271684.
Sequence in context: A160450 A114604 A085098 * A350875 A099794 A142726
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 12 2016
STATUS
approved

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Last modified March 28 20:05 EDT 2024. Contains 371254 sequences. (Running on oeis4.)