|
Search: id:A086060
|
|
|
| A086060 |
|
Concatenation of the larger members of first n pairs of twin primes. |
|
+0
1
|
|
| 5, 57, 5713, 571319, 57131931, 5713193143, 571319314361, 57131931436173, 57131931436173103, 57131931436173103109, 57131931436173103109139, 57131931436173103109139151, 57131931436173103109139151181
(list; graph; listen)
|
|
|
OFFSET
|
3,1
|
|
|
COMMENT
|
5713...20832089 is the only prime for n up to 10000.
|
|
PROGRAM
|
(PARI) concattwpr(n) = { y=5; print1(5", "); forprime(x=7, n, if(isprime(x-2), y=eval(concat(Str(y), Str(x))); print1(y", ") ) ) }
|
|
CROSSREFS
|
Cf. A086043, A086158.
Sequence in context: A114466 A009480 A009481 this_sequence A068003 A104099 A129897
Adjacent sequences: A086057 A086058 A086059 this_sequence A086061 A086062 A086063
|
|
KEYWORD
|
nonn,base
|
|
AUTHOR
|
Cino Hilliard (hillcino368(AT)gmail.com), Sep 08 2003
|
|
|
Search completed in 0.002 seconds
|
