OFFSET
1,5
COMMENTS
The three terms of the sum and/or their bases can be the same.
LINKS
David A. Corneth, Table of n, a(n) for n = 1..10000
EXAMPLE
a(9)=3 since 9^2 = 81 = 1^2+4^3+2^4 = 4^2+4^3+1^4 = 8^2+1^3+2^4.
CROSSREFS
KEYWORD
nonn
AUTHOR
Carmine Suriano, Aug 19 2010
STATUS
approved