OFFSET
1,1
EXAMPLE
67 is in the sequence since 67 + int(sqrt(6)) + int(sqrt(7)) = 67+2+2 = 71 is prime.
PROG
(PARI) isok(n) = {if (isprime(n), digs = digits(n, 10); isprime(n + sum(i=1, #digs, sqrtint(digs[i]))); , 0; ); } \\ Michel Marcus, Jul 18 2013
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Carmine Suriano, Jul 21 2010
STATUS
approved