OFFSET
1,1
COMMENTS
Primes in A048261.
Provide the prime factors of A185077.
A045637 is a subsequence.
There are only 368 primes not in this sequence, the largest being 12601. - Robert Israel, Jul 04 2014
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..2870
EXAMPLE
13 is in the sequence since it is prime and 13 = 2^2 + 3^2 (2 and 3 are distinct primes).
MATHEMATICA
nn=10; s={0}; Do[p=Prime[n]; s=Union[s, s+p^2], {n, nn}]; Select[s, (0<#<=Prime[nn]^2)&&PrimeQ[#]&] (* Michel Lagneau, Jul 03 2014 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Michel Marcus, Jul 03 2014
STATUS
approved