|
| |
|
|
A063641
|
|
Primes of form p*q*r - 2, where p, q and r are primes.
|
|
2
| |
|
|
43, 61, 73, 97, 103, 151, 163, 173, 193, 229, 271, 277, 283, 331, 367, 383, 397, 421, 433, 463, 547, 593, 601, 607, 613, 643, 661, 709, 739, 757, 773, 859, 883, 907, 929, 967, 1013, 1021, 1063, 1093, 1103, 1129, 1171, 1181, 1231, 1237, 1249, 1279, 1307
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,1
|
|
|
LINKS
| Harry J. Smith, Table of n, a(n) for n=1,...,1000
|
|
|
PROG
| (PARI) { n=0; for (m=1, 10^9, p=prime(m); if (bigomega(p + 2) == 3, write("b063641.txt", n++, " ", p); if (n==1000, break)) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Aug 26 2009]
|
|
|
CROSSREFS
| A014612, A063639.
Sequence in context: A033223 A064508 A102540 * A129928 A102269 A020349
Adjacent sequences: A063638 A063639 A063640 * A063642 A063643 A063644
|
|
|
KEYWORD
| nonn
|
|
|
AUTHOR
| Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jul 21 2001
|
| |
|
|
