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A091864 Positive integers n such that Sum_{p<=pi(n)} p = n, where pi(x) denotes the number of primes not exceeding x and the summation is over primes p. 0
5, 17, 41, 77, 100 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..5.

S. W. Golomb, A Perfect Property of Handful of 2 Numbers, Problem E3385, Amer. Math. Monthly, 98 (No. 9, 1991), 858-859.

CROSSREFS

Sequence in context: A144620 A217622 A269728 * A304079 A109722 A097121

Adjacent sequences:  A091861 A091862 A091863 * A091865 A091866 A091867

KEYWORD

nonn,fini,full

AUTHOR

Robert G. Wilson v, Mar 13 2004

STATUS

approved

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Last modified October 17 12:50 EDT 2018. Contains 316280 sequences. (Running on oeis4.)