OFFSET
1,2
LINKS
Vladeta Jovovic and Donovan Johnson, Table of n, a(n) for n = 1..1000 (first 100 terms from Vladeta Jovovic)
EXAMPLE
a(3) = 24 because there are 3 odd solutions (35, 39, 45) to phi(x) = 24 and for every k < 24 the number of odd solutions to phi(x) = k is unequal to 3.
CROSSREFS
KEYWORD
nonn
AUTHOR
Franz Vrabec, Jun 27 2007
STATUS
approved