OFFSET
1,1
COMMENTS
This sequence includes the palindromic primes for which p-R(p)=0. See A080177 = (43,73,2141,2251,4253,4363,...) for the variant not including palindromes.
LINKS
Archimedes' Lab, What is special about this number? - 43.
PROG
(PARI) forprime(p=1, 19999, issquare(p-A004086(p))&&print1(p", "))
CROSSREFS
KEYWORD
nonn,base
AUTHOR
M. F. Hasler, Nov 20 2013
STATUS
approved