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A079892 Least number > n having one more distinct prime factor than n. +0
4
2, 6, 6, 6, 6, 30, 10, 10, 10, 30, 12, 30, 14, 30, 30, 18, 18, 30, 20, 30, 30, 30, 24, 30, 26, 30, 28, 30, 33, 210, 33, 33, 42, 42, 42, 42, 38, 42, 42, 42, 44, 210, 44, 60, 60, 60, 48, 60, 50, 60, 60, 60, 54, 60, 60, 60, 60, 60, 62, 210, 62, 66, 66, 65, 66, 210, 68, 70, 70, 210 (list; graph; listen)
OFFSET

1,1

COMMENT

A001221(a(n)) = A001221(n) + 1;

a(A002110(k)) = A002110(k+1).

CROSSREFS

Cf. A079893, A079890.

Sequence in context: A137479 A048765 A103643 this_sequence A096014 A071888 A117217

Adjacent sequences: A079889 A079890 A079891 this_sequence A079893 A079894 A079895

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jan 14 2003

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Last modified December 6 22:55 EST 2009. Contains 170429 sequences.


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