OFFSET
0,2
EXAMPLE
a(2) = 34 because 34 = 5 + 29 = 17 + 17; 5, 17, 29 are primes of the form x^2 + y^2 and 34 is the least number with this property.
CROSSREFS
KEYWORD
nonn
AUTHOR
Altug Alkan, Jan 31 2017
STATUS
approved