

A002235


Numbers m such that 3*2^m  1 is prime.
(Formerly M0545 N0195)


38



0, 1, 2, 3, 4, 6, 7, 11, 18, 34, 38, 43, 55, 64, 76, 94, 103, 143, 206, 216, 306, 324, 391, 458, 470, 827, 1274, 3276, 4204, 5134, 7559, 12676, 14898, 18123, 18819, 25690, 26459, 41628, 51387, 71783, 80330, 85687, 88171, 97063, 123630, 155930, 164987, 234760
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OFFSET

1,3


REFERENCES

H. Riesel, Prime numbers and computer methods for factorization, Progress in Mathematics, Vol. 57, Birkhauser, Boston, 1985, Chap. 4, see pp. 381384.
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).


LINKS



MATHEMATICA



PROG



CROSSREFS

Cf. A000043, A007505, A003307, A046865, A079906, A046866, A001771, A005541, A056725, A046867, A079907.


KEYWORD

nonn,nice


AUTHOR



EXTENSIONS

a(60) = 11484018 from The Prime Pages, from Pierre CAMI, Nov 25 2014
Terms moved from Data to bfile, and more terms added to bfile, by Jeppe Stig Nielsen, Sep 07 2021


STATUS

approved



