login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
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; text; internal format)
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: A254233 A300760 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

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified September 30 05:03 EDT 2020. Contains 337435 sequences. (Running on oeis4.)