|
|
A072940
|
|
Integers which have more than one coprime factorization into nonprime powers which sum to the same number.
|
|
1
|
|
|
|
OFFSET
|
1,1
|
|
LINKS
|
|
|
EXAMPLE
|
The term 30030 is in the list since 30030 = 65*22*21 = 39*55*14 and 65+22+21 = 108 = 39+55+14. The term 53130 = 15*22*161 = 6*77*115 (as well as 15*77*36 and 55*69*14) and 15+22+161 = 198 = 6+77+115 (and 15+77+36 = 55 + 69+ 14 = 138).
|
|
CROSSREFS
|
|
|
KEYWORD
|
easy,nonn
|
|
AUTHOR
|
Mike Domaratzki (mdomaratzki(AT)alumni.uwaterloo.ca), Aug 12 2002
|
|
STATUS
|
approved
|
|
|
|