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A001684 From a continued fraction.
(Formerly M1693 N0669)
0
1, 1, 1, 1, 2, 6, 30, 390, 32370, 81022110, 79098077953830, 2499603048957386233742790, 6399996109983215106481566902449146981585570 (list; graph; refs; listen; history; internal format)
OFFSET

0,5

REFERENCES

V. C. Harris, Another proof of the infinitude of primes, Amer. Math. Monthly, 63 (1956), 711.

N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

CROSSREFS

Sequence in context: A064847 A127815 A054934 * A076926 A092023 A112723

Adjacent sequences:  A001681 A001682 A001683 * A001685 A001686 A001687

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 17 06:27 EST 2012. Contains 205998 sequences.