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A106558
a(n)=1+floor(sqrt(Pi/2)*p(n)#).
0
3, 8, 38, 264, 2896, 37638, 639830, 12156759, 279605448, 8108557990, 251365297667, 9300516013674
OFFSET
1,1
COMMENTS
a(n) is an approximation to the number of primes less than p(n+1)#
CROSSREFS
Cf. A000849.
Sequence in context: A264657 A190658 A366629 * A065914 A288759 A180368
KEYWORD
nonn
AUTHOR
Pierre CAMI, May 09 2005
STATUS
approved