OFFSET
1,2
COMMENTS
LINKS
Harry J. Smith, Table of n, a(n) for n = 1..1000
PROG
(PARI) { n=0; for (m=1, 10^10, if (eulerphi(m^2 + 1) % m == 0, write("b066820.txt", n++, " ", eulerphi(m^2 + 1) / m); if (n==1000, return)) ) } \\ Harry J. Smith, Mar 29 2010
CROSSREFS
KEYWORD
nonn
AUTHOR
Benoit Cloitre, Jan 19 2002
EXTENSIONS
Term n=51 a=260 added by Harry J. Smith, Mar 29 2010
STATUS
approved