OFFSET
2,1
COMMENTS
Square root of 2^(prime(n) - 1), i.e., the smallest number that has prime(n) divisors.
FORMULA
MATHEMATICA
Table[2^((Prime[n] - 1)/2), {n, 2, 25}] (* Amiram Eldar, Dec 23 2020 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Labos Elemer, May 22 2001
STATUS
approved