OFFSET
1,1
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..10000 (terms 1..5001 from Shyam Sunder Gupta)
EXAMPLE
4681 is a strong pseudoprime (base 2) and 4679 is prime. 253241 is a strong pseudoprime (base 2) and 253243 is prime.
CROSSREFS
KEYWORD
nonn
AUTHOR
Shyam Sunder Gupta, Oct 20 2013
STATUS
approved