OFFSET
1,2
COMMENTS
Signed version of A182938.
FORMULA
PROG
(Python)
from math import prod, comb
from sympy import factorint
def A329445(n): return prod(-comb(p, e) if e&1 else comb(p, e) for p, e in factorint(n).items()) # Chai Wah Wu, Dec 23 2022
CROSSREFS
KEYWORD
sign,mult
AUTHOR
Werner Schulte, Nov 13 2019
STATUS
approved