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A212658 Number of multisets {1^k1, 2^k2, ..., n^kn}, ki>=0, with the sum of reciprocals <= 1. 1
1, 2, 4, 8, 17, 37, 86, 199, 475, 1138, 2769, 6748, 16613, 40904, 101317, 251401, 624958, 1555940, 3882708, 9701790, 24276866, 60817940, 152508653, 382828565 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

The number of distinct sums of reciprocals is given by A212606.

LINKS

Table of n, a(n) for n=0..23.

CROSSREFS

Cf. A212657, A212606, A212607, A020473, A092669, A092671, A208480.

Sequence in context: A003426 A179476 A087803 * A036374 A214999 A084635

Adjacent sequences:  A212655 A212656 A212657 * A212659 A212660 A212661

KEYWORD

nonn,more

AUTHOR

Max Alekseyev, May 23 2012

STATUS

approved

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Last modified September 25 18:05 EDT 2017. Contains 292499 sequences.