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A183889 Number of arrangements of n+3 numbers in 0..6 with each number being the sum mod 7 of three others 1
1, 1, 32821, 542557, 4978219, 38280865, 277198249, 1964161189, 13808869207, 96809981737, 678032111797, 4747103957005, 33231843226435, 232627950507697, 1628407600271233, 11398881253796341, 79792234154371567, 558545790385795897 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,3
COMMENTS
Column 6 of A183892
LINKS
EXAMPLE
Some solutions for n=3
..5....3....6....1....6....5....2....2....2....3....5....0....3....6....2....5
..0....5....3....0....5....6....1....4....0....4....4....4....2....5....1....0
..1....5....5....1....0....5....3....6....4....0....5....0....2....6....0....5
..3....1....2....4....6....3....6....2....6....5....0....6....5....0....2....5
..0....0....0....0....3....0....5....1....1....5....0....2....0....2....6....4
..2....1....1....2....4....3....4....1....4....1....4....3....1....3....4....1
CROSSREFS
Sequence in context: A083603 A168634 A045061 * A272892 A230524 A168666
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 07 2011
STATUS
approved

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Last modified May 25 23:47 EDT 2024. Contains 372806 sequences. (Running on oeis4.)