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Search: id:A086688
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A086688 Number of primes < prime(n)^3. +0
1
4, 9, 30, 68, 217, 327, 656, 882, 1457, 2707, 3228, 5194, 6850, 7789, 9916, 13746, 18411, 20179, 26062, 30597, 32984, 40991, 46959, 56924, 72217, 80725, 85182, 94695, 99669, 110127, 152280, 165951, 187910, 195660, 237427, 246434, 274614 (list; graph; listen)
OFFSET

2,1

PROGRAM

(PARI) primeslessp3(n) = \primes less than primes cubed { sr=0; forprime(x=2, n, y=pi(x^3); sr+=1.0/y; print1(y", "); ); print(); print(sr) } pi(n) = { c=0; forprime(x=2, n, c++); return(c) }

CROSSREFS

Adjacent sequences: A086685 A086686 A086687 this_sequence A086689 A086690 A086691

Sequence in context: A059345 A127768 A091658 this_sequence A105865 A069103 A041137

KEYWORD

easy,nonn

AUTHOR

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

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Last modified October 7 08:31 EDT 2008. Contains 144667 sequences.


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