OFFSET
1,2
COMMENTS
More common than prime(n)^prime(n) (i.e., A051674).
LINKS
Shaun Alan Isherwood, Name for numbers of the form pj1^pjn*pj2^pjn-1...pjn-1^pj2*pjn^pj1, Math StackExchange question.
M.S.E. user Peter, Math StackExchange discussion about the above
EXAMPLE
1 is the product of zero primes, 4=2^2, 27=3^3, 72=2^3*3^2, 800=2^5*5^2.
CROSSREFS
KEYWORD
nonn
AUTHOR
Shaun Alan Isherwood, Sep 10 2020
EXTENSIONS
Missing terms 19600000 and 2344190625 added, more terms from and offset changed to 1 by Jinyuan Wang, Sep 12 2020
STATUS
approved