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A113903 Sum of omega(n!) and bigomega(n!). 0
0, 0, 2, 4, 6, 8, 10, 12, 15, 17, 19, 21, 24, 26, 28, 30, 34, 36, 39, 41, 44, 46, 48, 50, 54, 56, 58, 61, 64, 66, 69, 71, 76, 78, 80, 82, 86, 88, 90, 92, 96, 98, 101, 103, 106, 109, 111, 113, 118, 120, 123, 125, 128, 130, 134, 136, 140, 142, 144, 146, 150, 152, 154, 157 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

omega(x!) = number of primes <= x or Pi(x)

LINKS

Table of n, a(n) for n=0..63.

FORMULA

omega(x): number of distinct prime divisors of x. bigomega(x): number of prime divisors of x, counted with multiplicity.

PROG

(PARI) omegafactpbigomegafact(n) = { local(x); for(x=0, n, print1(omega(x!)+bigomega(x!)", ") ) }

CROSSREFS

Sequence in context: A287122 A064997 A292651 * A248563 A278453 A130261

Adjacent sequences:  A113900 A113901 A113902 * A113904 A113905 A113906

KEYWORD

easy,nonn

AUTHOR

Cino Hilliard, Jan 29 2006

STATUS

approved

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Last modified February 16 21:37 EST 2020. Contains 331975 sequences. (Running on oeis4.)