OFFSET
1,1
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..10000 (calculated using data from Claude Goutier; terms 1..1142 from Daniel Suteu)
Claude Goutier, Compressed text file carm10e22.gz containing all the Carmichael numbers up to 10^22.
Richard Pinch, Tables relating to Carmichael numbers.
EXAMPLE
60977817398996785 = 5*7*17*19*23*37*53*73*79*89*233 and 4, 6, 16, 18, 22, 36, 52, 72, 78, 88, 232 all divide 60977817398996784.
PROG
(PARI) is(n)={omega(n)==11&&is_A002997(n)}
CROSSREFS
KEYWORD
nonn
AUTHOR
Tim Johannes Ohrtmann, Oct 28 2020
STATUS
approved