A251140 - OEIS

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A251140

Total number of prime factors of A098550(n).

0, 1, 1, 2, 2, 3, 2, 2, 1, 2, 2, 3, 2, 4, 1, 2, 2, 3, 3, 2, 2, 1, 1, 2, 2, 3, 3, 2, 5, 1, 3, 2, 4, 2, 2, 2, 4, 2, 3, 2, 2, 3, 1, 3, 2, 3, 2, 4, 2, 3, 1, 5, 2, 3, 3, 2, 4, 4, 2, 2, 1, 1, 2, 2, 6, 3, 3, 2, 4, 2, 4, 2, 3, 2, 5, 3, 2, 3, 1, 3, 2, 3, 3, 5, 2, 2

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OFFSET

1,4

COMMENTS

a(n) = A001222(A098550(n)).

LINKS

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

PROG

(Haskell)

a251140 = a001222 . fromIntegral . a098550

CROSSREFS

Cf. A001222, A098548, A251141, A251138.