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A055552 Number of base-2 strong pseudoprimes (A001262) less than 10^n. +0
3
0, 0, 0, 5, 16, 46, 162, 488, 1282, 3291, 8607, 22407, 58892, 156251, 419489 (list; graph; listen)
OFFSET

1,4

LINKS

William Galway, Tables of pseudoprimes and related data.

Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.

Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.

Index entries for sequences related to numbers of primes in various ranges

CROSSREFS

Cf. A001262.

Sequence in context: A004146 A071101 A110580 this_sequence A086750 A086749 A094586

Adjacent sequences: A055549 A055550 A055551 this_sequence A055553 A055554 A055555

KEYWORD

nonn,more

AUTHOR

Eric Weisstein (eric(AT)weisstein.com)

EXTENSIONS

Corrected by Shyam Sunder Gupta (guptass(AT)rediffmail.com), Mar 04 2002

2 more terms from Charles R. Greathouse IV, Aug 15 2006

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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