1,1

Ivan Neretin, Table of n, a(n) for n = 1..10000

(PARI) for(s=1, 80, n=s+1; while(frac(eulerphi(n)/eulerphi(s))>0, n++); print1(n, ", "); )

Sequence in context: A080785 A319605 A245822 * A158979 A233249 A330573

Adjacent sequences: A069794 A069795 A069796 * A069798 A069799 A069800

easy,nonn

Benoit Cloitre, May 01 2002

approved