OFFSET
1,1
LINKS
Donovan Johnson, Table of n, a(n) for n = 1..1000
EXAMPLE
n=5:invphi(8*11)={89,115,178,184,230,276}, a(5)=6.
MAPLE
[seq(nops(invphi(8*ithprime(i))), i=1..128)];
CROSSREFS
KEYWORD
nonn
AUTHOR
Labos Elemer, May 30 2002
STATUS
approved