A117721 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A117721

Primes formed by the initial digits of the binary expansion of Pi.

3, 6588397, 1686629713, 26986075409, 16703571626015105435307505830654230989, 13420802360424337830311681948440006481608388178854297901454212848703426437343610760199000777828079

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Pi primes to base 2 (for base 10 see A005042). This sequence is the list of prime members of A068425.

LINKS

Table of n, a(n) for n=1..6.

CROSSREFS

Cf. A004601 (the binary expansion), A005042, A068425, A065987 (where primes are).

Sequence in context: A229725 A244113 A324425 * A229092 A058469 A367670

Adjacent sequences: A117718 A117719 A117720 * A117722 A117723 A117724

KEYWORD

base,nonn

AUTHOR

Carl R. White, Apr 13 2006

STATUS

approved