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A248839 Number of length n arrays x(i), i=1..n with x(i) in 0..i and no value appearing more than 5 times 1
2, 6, 24, 120, 720, 5038, 40260, 361636, 3606044, 39517182, 472002456, 6102356222, 84896359836, 1264499036118, 20075760897736, 338430468325576, 6037037185793372, 113608224705704476, 2249252806749536964 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A248842

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..136

EXAMPLE

Some solutions for n=6

..1....1....0....1....0....1....1....1....0....0....0....1....1....0....0....1

..2....2....2....2....2....1....1....0....2....1....2....2....1....2....2....0

..3....3....0....2....1....3....0....1....0....0....1....0....2....3....0....0

..2....1....2....1....0....4....0....3....0....2....1....1....3....2....1....4

..1....4....4....5....1....2....2....2....5....0....4....4....5....2....0....3

..0....0....2....2....5....3....4....0....5....4....1....4....0....0....5....6

CROSSREFS

Sequence in context: A177534 A164873 A226438 * A052399 A177553 A090583

Adjacent sequences:  A248836 A248837 A248838 * A248840 A248841 A248842

KEYWORD

nonn

AUTHOR

R. H. Hardin, Oct 15 2014

STATUS

approved

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Last modified August 13 06:22 EDT 2020. Contains 336442 sequences. (Running on oeis4.)