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A113412 Number of Pierpont primes less than 10^(2^n). 1
4, 10, 25, 58, 125, 250, 505, 1020, 2075, 4227, 8597, 17213 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

COMMENTS

a(10)=8597 from Eric Weisstein (eric(AT)weisstein.com), Nov 1, 2005

REFERENCES

Computed by Chris Caldwell.

LINKS

Eric Weisstein's World of Mathematics, Pierpont Prime

CROSSREFS

Cf. A005109, A113420.

Sequence in context: A111153 A145368 A111207 * A159297 A033539 A020748

Adjacent sequences:  A113409 A113410 A113411 * A113413 A113414 A113415

KEYWORD

nonn

AUTHOR

Eric Weisstein (eric(AT)weisstein.com), Oct 29, 2005

EXTENSIONS

a(11) from Donovan Johnson (donovan.johnson(AT)yahoo.com), Feb 13 2010

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Last modified February 15 20:03 EST 2012. Contains 205852 sequences.