OFFSET
1,2
COMMENTS
a(n) is the least odd integer with the same prime signature as A025487(n).
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..10000
Will Nicholes, Prime Signatures
FORMULA
EXAMPLE
a(7) is the first odd integer with prime signature {1,3} = 3^3*5 = 135.
a(8) is the first odd integer with prime signature {1,1,1} = 3*5*7 = 105.
CROSSREFS
KEYWORD
nonn
AUTHOR
Lior Manor, Dec 16 2013
STATUS
approved