OFFSET
1,1
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..10000 (calculated using data from Claude Goutier; terms 1..3648 from Max Alekseyev)
EXAMPLE
Carmichael number 294409 = 37*73*109 is a term because 2^37 == 2^(73*109) (mod 294409), 2^73 == 2^(37*109) (mod 294409), 2^109 == 2^(37*73) (mod 294409).
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved