login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A108256 Primes p such that little googol - p is prime. 0
479, 1187, 1289, 2609, 2699, 2999, 3347, 3923, 3989, 4289, 4583, 5009, 5309, 5417, 5807, 6047, 6053, 6257, 6599, 6779, 7103, 7253, 7727, 9029, 10433, 10667, 11093, 11549, 11579, 12377, 13007, 14243, 14867, 15287, 15683, 16187, 17519, 17669 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..38.

FORMULA

A little googol = 2^100.

PROG

(PARI) g(n) = forstep(x=1, n, 2, if(isprime(2^100-x)&isprime(x), print1(x", ")))

CROSSREFS

Sequence in context: A186950 A056987 A025025 * A115157 A019287 A179667

Adjacent sequences:  A108253 A108254 A108255 * A108257 A108258 A108259

KEYWORD

easy,nonn

AUTHOR

Cino Hilliard (hillcino368(AT)gmail.com), Jun 18 2005

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified May 25 12:01 EDT 2013. Contains 225647 sequences.