OFFSET
1,1
EXAMPLE
prime(prime(6447)) = 806447, prime(prime(529271))=138529271, prime(prime(569513))=150569513, prime(prime(996733))=283996733. Next (if any) n > 6000000.
prime(prime(53172153)) = 23953172153. prime(prime(837071903)) = 489837071903. prime(prime(53552588203)) = 43853552588203. - Chai Wah Wu, Apr 05 2021
prime(prime(445839739269)) = 424445839739269, prime(prime(6130987583999)) = 6926130987583999. - Chai Wah Wu, Apr 13 2021
CROSSREFS
KEYWORD
nonn,base,more
AUTHOR
Zak Seidov, Oct 06 2002
EXTENSIONS
a(5)-a(7) from Chai Wah Wu, Apr 05 2021
a(8)-a(9) from Chai Wah Wu, Apr 13 2021
STATUS
approved