The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
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!)
A197191 a(n) = phi(Lucas(n^2)). 1
1, 1, 6, 36, 2206, 150000, 13685760, 16794009904, 23538338288640, 40111742758242240, 678603619866009600000, 19289305175281390070751204, 619856418580365858926902640640, 208006459829483370218035382709089280, 78451383926677134672195807581733722937984 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
MATHEMATICA
Table[EulerPhi[LucasL[n^2]], {n, 0, 15}] (* Vincenzo Librandi, Oct 04 2013 *)
PROG
(Magma) [EulerPhi(Lucas(n^2)): n in [0..15]]
CROSSREFS
Sequence in context: A069031 A061234 A061584 * A208655 A202781 A067213
KEYWORD
nonn
AUTHOR
Vincenzo Librandi, Oct 13 2011
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 May 21 13:39 EDT 2024. Contains 372736 sequences. (Running on oeis4.)