OFFSET

1,2

COMMENTS

LINKS

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

Eric Weisstein's World of Mathematics, Prime Factorization

EXAMPLE

n = 12: A008480(12) = #{3*2*2, 2*3*2, 2*2*3} = 3, therefore 12 occurs three times.

PROG

(Haskell)

a099848 n = a099848_list !! (n-1)

a099848_list = concat $ zipWith replicate a008480_list [1..]

-- Reinhard Zumkeller, Nov 19 2015

CROSSREFS

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Oct 27 2004

STATUS

approved