OFFSET
1,3
COMMENTS
Minimal means minimize u^2+v^2. We follow Maple, PARI, etc., in setting u=0 and v=1 when x=y.
PROG
(Python)
from sympy.core.numbers import igcdex
def A345432(n): return sum(abs(u) for u, v, w in (igcdex(x, y) for x in range(1, n+1) for y in range(1, n+1))) # Chai Wah Wu, Jun 22 2021
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jun 22 2021
STATUS
approved