OFFSET
0,3
LINKS
EXAMPLE
a(2) = -5:
[1 2]
[3 1]
a(3) = -42:
[3 4 1]
[5 3 4]
[2 5 3]
PROG
(Python)
from itertools import permutations
from sympy import Matrix
def A350930(n): return min(Matrix([p[n-1-i:2*n-1-i] for i in range(n)]).det() for p in permutations(range(1, 2*n))) # Chai Wah Wu, Jan 27 2022
CROSSREFS
KEYWORD
sign,hard,more
AUTHOR
Stefano Spezia, Jan 25 2022
EXTENSIONS
a(5) from Alois P. Heinz, Jan 25 2022
a(6) from Pontus von Brömssen, Jan 26 2022
a(7) from Lucas A. Brown, Aug 28 2022
STATUS
approved