A251101 Smallest prime factor of A098550(n).

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

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