OFFSET
1,2
COMMENTS
The list of the bases and exponents of the prime factorizations is replaced by the list of positive integers, but the operations stay fixed. - R. J. Mathar, Mar 22 2016
EXAMPLE
a(5)=5^6=15625.
a(6)=7.
a(7)=8*9=72.
CROSSREFS
KEYWORD
nonn
AUTHOR
Juri-Stepan Gerasimov, Nov 13 2008
EXTENSIONS
Definition and terms corrected. - R. J. Mathar, Mar 22 2016
STATUS
approved