|
Search: id:A076197
|
|
|
| A076197 |
|
Numbers n such n!!+2^10 is prime. |
|
+0
10
|
|
| 5, 7, 21, 33, 153, 167, 171, 391, 789, 1323, 2645, 8655
(list; graph; listen)
|
|
|
OFFSET
|
1,1
|
|
|
LINKS
|
OpenPFGW Project, Primality Tester
Henri & Renaud Lifchitz, PRP Records.
|
|
MATHEMATICA
|
lst={}; Do[If[PrimeQ[n!!+2^10], (*Print[n]; *)AppendTo[lst, n]], {n, 6!}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Aug 26 2008]
|
|
CROSSREFS
|
Cf. A006882, A080778 and A076185, A076186, A076188, A076189, A076190,
A076193, A076194, A076195, A076196 for other values of s in n!!+2^s
Adjacent sequences: A076194 A076195 A076196 this_sequence A076198 A076199 A076200
Sequence in context: A091154 A057424 A027152 this_sequence A002596 A098597 A097038
|
|
KEYWORD
|
nonn,more
|
|
AUTHOR
|
Zak Seidov (zakseidov(AT)yahoo.com), Nov 02 2002
|
|
EXTENSIONS
|
Edited and extended (n<4096) by Hugo Pfoertner (hugo(AT)pfoertner.org), Jun 19 2003
8655 from Herman Jamke (hermanjamke(AT)fastmail.fm), Jan 03 2008
|
|
|
Search completed in 0.002 seconds
|
