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Search: id:A072489
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A072489 a(1) = 1, a(n) = a(n-1) times smallest divisor of n >= n^(1/2). +0
2
1, 2, 6, 12, 60, 180, 1260, 5040, 15120, 75600, 831600, 3326400, 43243200, 302702400, 1513512000, 6054048000, 102918816000, 617512896000, 11732745024000, 58663725120000 (list; graph; listen)
OFFSET

1,2
CROSSREFS

Cf. A072488.

Sequence in context: A101657 A104371 A104350 this_sequence A072487 A072938 A160274

Adjacent sequences: A072486 A072487 A072488 this_sequence A072490 A072491 A072492

KEYWORD

nonn

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Jul 13 2002

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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