|
Search: id:A099007
|
|
|
| A099007 |
|
Primes of the form 6n^2 - 2n - 1. |
|
+0
1
|
|
| 3, 19, 47, 139, 367, 467, 839, 1319, 1699, 1907, 3407, 4003, 4987, 6079, 7703, 10499, 11527, 13159, 16747, 17387, 19379, 23687, 25219, 26003, 30103, 32707, 33599, 35419, 38239, 44203, 50599, 53959, 55103, 57427, 62219, 69767, 72379, 76387
(list; graph; listen)
|
|
|
OFFSET
|
1,1
|
|
|
COMMENT
|
All terms are == 3 (mod 4).
|
|
EXAMPLE
|
For n = 2 we have 6*2^2 - 2*2 -1 = 19.
|
|
PROGRAM
|
(PARI) for(k=1, 120, if(isprime(p=6*k^2-2*k-1), print1(p, ", ")))
|
|
CROSSREFS
|
Cf. A098828.
Sequence in context: A103176 A028880 A063553 this_sequence A023280 A054697 A112627
Adjacent sequences: A099004 A099005 A099006 this_sequence A099008 A099009 A099010
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
Giovanni Teofilatto (g.teofilatto(AT)tiscalinet.it), Nov 07 2004
|
|
EXTENSIONS
|
Edited, corrected and extended by Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), Nov 12 2004
|
|
|
Search completed in 0.002 seconds
|
