|
Search: id:A139062
|
|
|
| A139062 |
|
a(n) = primes of the form (6+k!)/6. |
|
+0
44
|
|
| 2, 5, 604801, 6652801, 1037836801, 14529715201, 59281238016001, 8515157028618240001, 79227388950214029140356367831567491107302215677998888102860155679457332455816524\ 768834521968079861186560000000000000000001
(list; graph; listen)
|
|
|
OFFSET
|
1,1
|
|
|
COMMENT
|
Numbers k for which (4+k!)/4 is prime see A139063
|
|
MATHEMATICA
|
a = {}; Do[If[PrimeQ[(n! + 6)/6], AppendTo[a, (n! + 6)/6]], {n, 1, 50}]; a
|
|
CROSSREFS
|
Cf. A082672, A089085, A089130, A117141, A007749, A139056, A139057, A139058, A139059, A139060, A139061, A139061, A139062, A139063, A139064, A139065, A139066, A020458.
Sequence in context: A115893 A057678 A090071 this_sequence A122760 A165733 A039907
Adjacent sequences: A139059 A139060 A139061 this_sequence A139063 A139064 A139065
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
Artur Jasinski (grafix(AT)csl.pl), Apr 07 2008
|
|
|
Search completed in 0.002 seconds
|
