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A212533 Number of nondecreasing sequences of n 1..5 integers with every element dividing the sequence sum 1
5, 5, 8, 12, 21, 21, 33, 40, 57, 70, 90, 101, 132, 153, 208, 262, 343, 401, 491, 546, 625, 667, 737, 770, 851, 889, 989, 1070, 1226, 1361, 1592, 1787, 2070, 2305, 2616, 2864, 3198, 3444, 3781, 4045, 4399, 4670, 5070, 5391, 5860, 6254, 6786, 7235, 7843, 8336 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A212536

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

FORMULA

Empirical: a(n) = a(n-1) +a(n-2) -2*a(n-5) +a(n-8) +a(n-9) -a(n-10) +a(n-60) -a(n-61) -a(n-62) +2*a(n-65) -a(n-68) -a(n-69) +a(n-70)

EXAMPLE

Some solutions for n=8

..1....1....5....1....1....1....1....2....1....1....1....1....1....1....2....1

..1....1....5....2....1....2....2....2....1....1....1....3....1....1....3....1

..1....2....5....2....2....2....3....3....1....2....1....3....1....3....3....1

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

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

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

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

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

CROSSREFS

Sequence in context: A003861 A107623 A218333 * A081287 A303715 A204188

Adjacent sequences:  A212530 A212531 A212532 * A212534 A212535 A212536

KEYWORD

nonn

AUTHOR

R. H. Hardin May 20 2012

STATUS

approved

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Last modified September 20 10:32 EDT 2019. Contains 327229 sequences. (Running on oeis4.)