OFFSET
1,1
EXAMPLE
2^2 + 3^2 = 13; 2^3 + 3^2 = 17; 2^2 + 5^2 = 29; 3^3 + 2^2 = 31;
CROSSREFS
KEYWORD
nonn
AUTHOR
Oleg Zyakun, Aug 12 2009
STATUS
approved