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A086693 Number of primes < p^p where p is prime. 0
2, 9, 445, 65685 (list; graph; refs; listen; history; internal format)
OFFSET

2,1

EXAMPLE

There are 9 primes < 3^3 = 27, namely 2,3,5,7,11,13,17,19,23.

PROG

(PARI) primeslesspp(n) = \primes less than p^p { forprime(x=2, n, y=pi(x^x); print1(y", "); ); } pi(n) = { c=0; forprime(x=2, n, c++); return(c) }

CROSSREFS

Sequence in context: A049299 A024225 A000883 * A085605 A180936 A036878

Adjacent sequences:  A086690 A086691 A086692 * A086694 A086695 A086696

KEYWORD

hard,nonn

AUTHOR

Cino Hilliard (hillcino368(AT)gmail.com), Jul 28 2003

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Last modified February 17 08:44 EST 2012. Contains 205998 sequences.