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A251101 Smallest prime factor of A098550(n). 4
1, 2, 3, 2, 3, 2, 3, 2, 5, 2, 5, 2, 5, 2, 7, 2, 3, 2, 3, 2, 3, 11, 13, 3, 2, 3, 2, 3, 2, 17, 2, 5, 2, 5, 2, 5, 2, 7, 2, 7, 2, 3, 19, 2, 5, 2, 3, 2, 3, 2, 23, 2, 5, 2, 3, 2, 3, 2, 3, 2, 29, 31, 2, 3, 2, 3, 2, 7, 2, 7, 2, 7, 2, 7, 2, 5, 2, 3, 37, 2, 3, 2, 3, 2 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

a(n) = A020639(A098550(n)).

LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

PROG

(Haskell)

a251101 = a020639 . fromIntegral . a098550

CROSSREFS

Cf. A020639, A098550, A251103, A158478.

Sequence in context: A068639 A074070 A304097 * A065067 A086411 A105528

Adjacent sequences:  A251098 A251099 A251100 * A251102 A251103 A251104

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Nov 30 2014

STATUS

approved

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Last modified October 17 15:01 EDT 2019. Contains 328116 sequences. (Running on oeis4.)