OFFSET
1,1
COMMENTS
The term a(11)=1907851 is also a strong pseudoprime to base 5, cf. A020231. M. F. Hasler, Aug 16 2012
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..10000
EXAMPLE
a(1) = 15841 = 7*31*73.
CROSSREFS
KEYWORD
nonn
AUTHOR
Shyam Sunder Gupta, Dec 12 2005
EXTENSIONS
More terms from Amiram Eldar, Nov 10 2019
STATUS
approved