|
Search: id:A083724
|
|
|
| A083724 |
|
Numbers n such that 11*7^n + 2 is prime. |
|
+0
1
|
|
| 0, 1, 2, 5, 8, 9, 42, 44, 46, 66, 69, 73, 88, 234, 257, 344, 1280, 1930, 2601, 2826, 3506
(list; graph; listen)
|
|
|
OFFSET
|
1,3
|
|
|
COMMENT
|
Some of the larger entries may only correspond to probable primes.
|
|
EXAMPLE
|
Primes 13,79,541,184879 are 11*7^0+2, 11*7^1+2, 11*7^2+2, 11*7^5+2.
|
|
PROGRAM
|
(PARI) for(n=0, 6000, if(isprime(11*7^n+2), print1(n, ", ")))
|
|
CROSSREFS
|
Sequence in context: A050678 A088620 A068702 this_sequence A072476 A078345 A080228
Adjacent sequences: A083721 A083722 A083723 this_sequence A083725 A083726 A083727
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
Rick L. Shepherd (rshepherd2(AT)hotmail.com), May 08 2003
|
|
|
Search completed in 0.002 seconds
|
