

A088807


Number of prime factors of p^p  1 where p is prime.


1



1, 2, 3, 4, 4, 5, 4, 3, 6, 9, 4, 9, 7, 6, 5, 7, 5, 8, 9, 7, 15, 8, 6, 10, 12, 13
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OFFSET

2,2


LINKS

Table of n, a(n) for n=2..27.


MATHEMATICA

PrimeNu/@Table[p^p1, {p, Prime[Range[30]]}] (* The program takes a long time to run. *) (* Harvey P. Dale, Sep 05 2020 *)


PROG

(PARI) omegaptop(n, m) = { sr=0; forprime(x=2, n, y=omega(x^xm); print1(y", "); sr += 1.0/y; ); print(); }


CROSSREFS

Cf. A088730.
Sequence in context: A303998 A319712 A319715 * A036371 A036370 A005208
Adjacent sequences: A088804 A088805 A088806 * A088808 A088809 A088810


KEYWORD

nonn


AUTHOR

Cino Hilliard, Nov 23 2003


EXTENSIONS

More terms from Ray Chandler, Feb 21 2004


STATUS

approved



