|
| |
|
|
A077375
|
|
Numbers n such that 2^n + prime(n) is prime.
|
|
3
| |
|
|
2, 3, 4, 5, 12, 13, 14, 23, 57, 106, 226, 227, 311, 373, 1046, 1298, 1787, 1952, 2130, 2285, 2670, 3254, 3642, 4369, 13559, 33418, 66830
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,1
|
|
|
COMMENTS
| All terms < 5000 correspond to certified primes (Primo 2.2.0 beta). - Ryan Propper (rpropper(AT)stanford.edu), Aug 08 2005
66830 was found by Henri Lifchitz.
|
|
|
LINKS
| H. Lifchitz, Mersenne and Fermat primes field
|
|
|
CROSSREFS
| Sequence in context: A066574 A039007 A050745 * A132027 A103651 A093713
Adjacent sequences: A077372 A077373 A077374 * A077376 A077377 A077378
|
|
|
KEYWORD
| nonn
|
|
|
AUTHOR
| Jason Earls (zevi_35711(AT)yahoo.com), Nov 30 2002
|
|
|
EXTENSIONS
| 2 more terms from Ryan Propper (rpropper(AT)stanford.edu), Aug 08 2005
66830 sent by Jason Earls (zevi_35711(AT)yahoo.com), Jan 12 2008
|
| |
|
|
