1,1

Table of n, a(n) for n=1..42.

(PARI) isok(n) = eulerphi(fibonacci(n)) % n; \\ Michel Marcus, Nov 29 2013

Cf. A065449.

Sequence in context: A055568 A283161 A165165 * A261556 A033088 A307498

Adjacent sequences: A075773 A075774 A075775 * A075777 A075778 A075779

easy,nonn

Benoit Cloitre, Oct 09 2002

More terms from Michel Marcus, Nov 29 2013

approved