|
| |
|
|
A129248
|
|
a(n) = n-th prime of class 14- according to the Erdos-Selfridge classification.
|
|
6
| |
|
|
377982107, 437391349, 716174549, 742922699, 1385934359, 1603768277, 1780127639, 1790436371, 1895437139, 1968261067, 2066951933, 2109424013, 2148523669, 2150787839, 2238778847, 2299583987, 2334899909, 2368121663
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,1
|
|
|
COMMENTS
| a[1..2] calculated using A081641[1..11]; a[3] <= 716174549.
|
|
|
LINKS
| M. F. Hasler, Table of n, a(n) for n=1..339
|
|
|
FORMULA
| { a(n) } = { p = 2*m*A081641(k)+1 | k=1,2,...,oo and m=1,2,... such that p is prime and m has no factor of class > 13- }
|
|
|
PROG
| (PARI) A129248 = nextclassminus(A081641) /* cf. A081640 */
|
|
|
CROSSREFS
| Cf. A056637, A081640, A081641, A129249, A129250.
Sequence in context: A017603 A112445 A101640 * A204807 A057071 A074152
Adjacent sequences: A129245 A129246 A129247 * A129249 A129250 A129251
|
|
|
KEYWORD
| nonn
|
|
|
AUTHOR
| M. F. Hasler (Maximilian.Hasler(AT)gmail.com), Apr 05 2007, Apr 21 2007
|
| |
|
|