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A117721 Primes formed by the initial digits of the binary expansion of Pi. 5
3, 6588397, 1686629713, 26986075409, 16703571626015105435307505830654230989, 13420802360424337830311681948440006481608388178854297901454212848703426437343610760199000777828079 (list; graph; refs; listen; history; 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.

CROSSREFS

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

Sequence in context: A033982 A154824 A137131 * A058469 A081508 A067481

Adjacent sequences:  A117718 A117719 A117720 * A117722 A117723 A117724

KEYWORD

base,nonn

AUTHOR

Carl R. White (oeisfan(AT)cyreksoft.yorks.com), Apr 13 2006

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Last modified February 15 20:26 EST 2012. Contains 205852 sequences.