A117721 Primes formed by the initial digits of the binary expansion of Pi.

3, 6588397, 1686629713, 26986075409, 16703571626015105435307505830654230989, 13420802360424337830311681948440006481608388178854297901454212848703426437343610760199000777828079

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