OFFSET
1,1
MATHEMATICA
ip={ the list of irregular primes to 12 million }; Table[ ip[[2^n]], {n, 0, 18}]
CROSSREFS
KEYWORD
hard,nonn,more
AUTHOR
Robert G. Wilson v, Apr 07 2005
EXTENSIONS
a(19) corrected and a(20)-a(26) added by Amiram Eldar, Mar 05 2019
STATUS
approved