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A350859
Maximal permanent of an n X n matrix whose elements are a permutation of the first n^2 prime numbers.
7
1, 2, 41, 11868, 12124850, 25767879812, 101120963518528
OFFSET
0,2
EXAMPLE
a(2) = 41:
5 2
3 7
a(3) = 11868:
23 5 3
2 13 19
7 17 11
PROG
(Python)
from itertools import permutations
from sympy import Matrix
def A350859(n): return 1 if n == 0 else max(Matrix(n, n, p).per() for p in permutations(prime(m) for m in range(1, n**2+1))) # Chai Wah Wu, Jan 21 2022
CROSSREFS
Cf. A114533, A180128, A350566, A350858 (minimal).
Sequence in context: A278847 A297007 A193270 * A076391 A348773 A130201
KEYWORD
nonn,hard,more
AUTHOR
Stefano Spezia, Jan 19 2022
EXTENSIONS
a(4)-a(6) from Hugo Pfoertner, Jan 21 2022
STATUS
approved