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!)
A138454 a(n) = ((n-th prime)^6-(n-th prime)^4)/3. 3
16, 216, 5000, 38416, 585640, 1599416, 8018016, 15638520, 49252016, 198038680, 295526720, 854617416, 1582426160, 2105981416, 3591445216, 7385490216, 14056138760, 17168842840, 30146077016, 42691624080, 50435276016 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
MATHEMATICA
a = {}; Do[p = Prime[n]; AppendTo[a, (p^6 - p^4)/3], {n, 1, 24}]; a
(#^6-#^4)/3&/@Prime[Range[30]] (* Harvey P. Dale, Apr 22 2019 *)
PROG
(PARI) forprime(p=2, 1e3, print1((p^6-p^4)/3", ")) \\ Charles R Greathouse IV, Jul 15 2011
CROSSREFS
Sequence in context: A297098 A159739 A181247 * A235758 A086650 A137701
KEYWORD
nonn,easy
AUTHOR
Artur Jasinski, Mar 22 2008
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 February 23 11:40 EST 2024. Contains 370283 sequences. (Running on oeis4.)