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A104360 Number of distinct prime factors of A104350(n) - 1. +0
3
0, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 2, 2, 2, 1, 2, 3, 3, 1, 3, 3, 3, 1, 2, 4, 4, 2, 2, 5, 4, 2, 3, 2, 3, 1, 3, 4, 3, 5, 3, 4, 4, 5, 1, 3, 4, 2, 2, 2 (list; graph; listen)
OFFSET

2,7

COMMENT

a(n) = A001221(A104357(n)).

LINKS

R. Zumkeller, Products of largest prime factors of numbers <= n

CROSSREFS

Cf. A104368, A066877, A054989.

Sequence in context: A072530 A090455 A086288 this_sequence A079951 A095407 A038605

Adjacent sequences: A104357 A104358 A104359 this_sequence A104361 A104362 A104363

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Mar 06 2005

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.


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