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A057736 Primes p such that 2^p + 3 is prime. 4
2, 3, 7, 67 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

The next term p is greater than 100000, corresponding to a prime 2^p + 3 with more than 30000 digits. - Ryan Propper, Aug 24 2005

REFERENCES

J.-M. De Koninck, Ces nombres qui nous fascinent, Entry 67, p. 24, Ellipses, Paris 2008.

LINKS

Table of n, a(n) for n=1..4.

CROSSREFS

Sequence in context: A087358 A255357 A270002 * A181263 A130309 A090870

Adjacent sequences:  A057733 A057734 A057735 * A057737 A057738 A057739

KEYWORD

more,nonn

AUTHOR

G. L. Honaker, Jr., Oct 29 2000

STATUS

approved

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Last modified February 26 18:29 EST 2020. Contains 332293 sequences. (Running on oeis4.)