0,1
If m=n then only one example m=n=1 exists.
Factorization :
2^12*5^2*7*13*31^2
2^13*5^2*7*13*8191*31^2
2^14*5*7^2*13*43*127*31^2
2^15*5^4*7*13*31*151*31^2
Cf. A144648.
Sequence in context: A185429 A154876 A204407 * A015398 A034614 A140501
Adjacent sequences: A144648 A144649 A144650 * A144652 A144653 A144654
nonn
Yasutoshi Kohmoto zbi74583.boat at orange.zero.jp, Jan 19 2009
