OFFSET
1,1
COMMENTS
If m=n then we get A030163.
EXAMPLE
Factorizations:
2^6*5*7*31^2
2^22*5^3*7^2*11^3*19*23*31^2*683*3^4*13^2
CROSSREFS
KEYWORD
nonn,bref
AUTHOR
Yasutoshi Kohmoto, Jan 11 2009
STATUS
approved