OFFSET
1,1
COMMENTS
Primes are of the form a^2 + 3*b^2 if and only if they are not of the form 3k + 2 (cf. A003136), and Fibonacci(n) = 2 (mod 3) if and only if n is in A047443 (i.e., n = 3, 5 or 6 (mod 8)), so the second condition can be considerably simplified. - M. F. Hasler, Sep 29 2012
LINKS
FORMULA
PROG
CROSSREFS
KEYWORD
nonn
AUTHOR
V. Raman, Sep 08 2012
STATUS
approved