A113412 Number of Pierpont primes less than 10^(2^n).

4, 10, 25, 58, 125, 250, 505, 1020, 2075, 4227, 8597, 17213

Offset

0,1

References

Computed by Chris Caldwell.

Links

Table of n, a(n) for n=0..11.

Eric Weisstein's World of Mathematics, Pierpont Prime

Crossrefs

Cf. A005109, A113420.

Sequence in context: A300760 A347481 A229916 * A227712 A159297 A248731

Adjacent sequences: A113409 A113410 A113411 * A113413 A113414 A113415

Keyword

nonn

Author

Eric W. Weisstein, Oct 29 2005

Extensions

a(10) from Eric W. Weisstein, Nov 01 2005

a(11) from Donovan Johnson, Feb 13 2010

Status

approved