OFFSET
1,1
COMMENTS
3^5 + 5^3 = 368, 3^7 + 7^3 = 2530, 5^7 + 7^5 = 94932,..
MATHEMATICA
f[a_, b_]:=Prime[a]^Prime[b]+Prime[b]^Prime[a]; Take[Union[Flatten[Table[f[a, b], {a, 2, 60}, {b, a+1, 60}]]], 40]
CROSSREFS
KEYWORD
nonn
AUTHOR
Vladimir Joseph Stephan Orlovsky, Feb 08 2010
STATUS
approved