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A160650 a(n) = A001222(A160649(n)) = A160649(n+1) - A160649(n); where A001222(m) is the sum of prime-factorization exponents of m (or, A001222(m) is the number of primes dividing m, counted with multiplicity). 1
1, 1, 2, 2, 3, 1, 3, 2, 1, 3, 2, 1, 4, 3, 1, 5, 1, 2, 4, 3, 1, 5, 1, 4, 2, 4, 6, 3, 1, 2, 3, 1, 5, 2, 2, 1, 4, 2, 6, 3, 3, 5, 1, 3, 3, 5, 3, 7, 4, 1, 4, 6, 4, 3, 1, 2, 6, 2, 5, 1, 3, 2, 1, 5, 2, 2, 4, 1, 2, 4, 5, 2, 3, 4, 2, 6, 3, 4, 1, 3, 1, 4, 3, 1, 3, 3, 4, 5, 1, 3, 3, 5, 1, 5, 3, 2, 5, 3, 7, 2, 4, 2, 2, 2, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..105.

CROSSREFS

Cf. A001222, A160649.

Sequence in context: A190263 A144911 A233431 * A304092 A171691 A088904

Adjacent sequences:  A160647 A160648 A160649 * A160651 A160652 A160653

KEYWORD

nonn

AUTHOR

Leroy Quet, May 21 2009

EXTENSIONS

Extended by Ray Chandler, Jun 16 2009

STATUS

approved

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Last modified May 29 09:48 EDT 2020. Contains 334698 sequences. (Running on oeis4.)