|
| |
|
|
A101252
|
|
Primes that are a concatenation of 3, 5, 7 and a prime.
|
|
6
|
|
|
|
35729, 35731, 35747, 35753, 35759, 35771, 35797, 357103, 357107, 357109, 357131, 357139, 357179, 357197, 357199, 357211, 357229, 357239, 357241, 357263, 357271, 357281, 357283, 357293, 357347, 357349, 357353, 357359, 357389, 357421, 357431
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
1,1
|
|
|
LINKS
|
Daniel Starodubtsev, Table of n, a(n) for n = 1..10000
Peter Alfeld, The 10,000 smallest prime numbers.
|
|
|
EXAMPLE
|
35729 is member as it is concatenated from the primes 3,5,7 and 29.
|
|
|
MATHEMATICA
|
Select[ Table[ FromDigits[ Flatten[ IntegerDigits /@ {3, 5, 7, Prime[n]}]], {n, 95}], PrimeQ[ # ] &] (* Robert G. Wilson v, Dec 20 2004 *)
|
|
|
CROSSREFS
|
Cf. A101218, A101219, A101249, A101250, A101251.
Sequence in context: A252920 A156405 A065611 * A133281 A326320 A216065
Adjacent sequences: A101249 A101250 A101251 * A101253 A101254 A101255
|
|
|
KEYWORD
|
nonn,easy,base
|
|
|
AUTHOR
|
Parthasarathy Nambi, Dec 16 2004
|
|
|
EXTENSIONS
|
Extended by Ray Chandler and Robert G. Wilson v, Dec 22 2004
|
|
|
STATUS
|
approved
|
| |
|
|
