login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A163082 Primes of the form p$ - 1 where p is prime, where '$' denotes the swinging factorial (A056040). 1
5, 29, 139, 12011, 5651707681619, 386971244197199, 35257120210449712895193719, 815027488562171580969632861193966578650499 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
The first values of p are 3, 5, 7, 13, 41 from A163080. Subsequence of A163076 (primes of the form k$ - 1).
LINKS
Peter Luschny, Swinging Primes.
EXAMPLE
3 and 3$ - 1 = 5 are prime, so 5 is a member.
MAPLE
a := proc(n) select(isprime, [$2..n]); select(isprime, map(x -> A056040(x)-1, %)) end:
CROSSREFS
Sequence in context: A273027 A268957 A146053 * A189430 A273078 A060963
KEYWORD
nonn
AUTHOR
Peter Luschny, Jul 21 2009
STATUS
approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 2 00:03 EST 2024. Contains 370447 sequences. (Running on oeis4.)