|
Search: id:A107645
|
|
|
| A107645 |
|
Numbers n such that the string 1311n is prime. |
|
+0
5
|
| |
|
|
OFFSET
|
1,1
|
|
|
COMMENT
|
11 and 13 are twin primes.
|
|
EXAMPLE
|
If n=11 then 1311n = 131111 (prime).
If n=71 then 1311n = 131171 (prime).
If n=131 then 1311n = 1311131 (prime).
|
|
CROSSREFS
|
Sequence in context: A115560 A045466 A158759 this_sequence A106014 A056251 A089755
Adjacent sequences: A107642 A107643 A107644 this_sequence A107646 A107647 A107648
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Jun 09 2005
|
|
|
Search completed in 0.002 seconds
|
