|
Search: id:A105410
|
|
|
| A105410 |
|
Indices n of primes p(n), p(n+3) such that p(n)-2 and p(n+3)-2 are both prime. |
|
+0
1
|
|
| 3, 8, 11, 18, 50, 58, 114, 174, 207, 210, 213, 254, 263, 266, 316, 321, 344, 396, 406, 461, 493, 496, 499, 543, 556, 582, 614, 626, 644, 724, 727, 741, 847, 932, 1099, 1102, 1118, 1121, 1233, 1236, 1261, 1285, 1443, 1616, 1619, 1640, 1705, 1710, 1783, 1792
(list; graph; listen)
|
|
|
OFFSET
|
2,1
|
|
|
PROGRAM
|
(PARI) pnpk(n, m, k) = \ both are prime { local(x, l1, l2, v1, v2); for(x=1, n, v1 = prime(x)+ k; v2 = prime(x+m)+k; if(isprime(v1)&isprime(v2), \ print1(x", ") print1(v1", ") ) ) }
|
|
CROSSREFS
|
Adjacent sequences: A105407 A105408 A105409 this_sequence A105411 A105412 A105413
Sequence in context: A047470 A003623 A058572 this_sequence A114548 A022121 A070073
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
Cino Hilliard (hillcino368(AT)gmail.com), May 02 2005
|
|
|
Search completed in 0.002 seconds
|
