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A197190 a(0) = 2, a(n) = Lucas(phi(n^2)) for n > 0. 1
2, 1, 3, 18, 47, 15127, 322, 599074578, 4870847, 192900153618, 228826127, 97418273275323406890123, 10749957122, 400010949097364802732720796316482, 358890350005878082, 11981655542024930675232002, 562882766124611619513723647, 699259133978938420550028971714417160188479526095241271647 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,1
LINKS
PROG
(Magma) [2], [Lucas(EulerPhi(n^2)): n in [1..20]]
CROSSREFS
Sequence in context: A209215 A000618 A132950 * A247482 A156364 A106169
KEYWORD
nonn
AUTHOR
Vincenzo Librandi, Oct 13 2011
STATUS
approved

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Last modified June 25 11:48 EDT 2024. Contains 373701 sequences. (Running on oeis4.)