login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A085418
Primes reached in A085417.
3
3, 5, 17, 11, 29, 19, 41, 127, 53, 89, 67, 107, 83, 277, 113, 233, 113, 79, 127, 157, 139, 101, 181, 113, 293, 127, 313, 257, 199, 239, 223, 163, 239, 173, 257, 467, 271, 541, 461, 383, 349, 223, 563, 787, 383, 389, 1021, 271, 647, 1489, 389, 509, 1789, 773, 983
OFFSET
1,1
EXAMPLE
a(3)=17 because prime[3]=5 and 5+(3+4+5)=17 is a prime.
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Zak Seidov, Jun 30 2003
STATUS
approved