This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A350932 #27 Apr 04 2024 10:21:36 %S A350932 1,2,-11,-286,-57935,-5696488,-1764195984,-521528189252 %N A350932 Minimal determinant of an n X n Toeplitz matrix using the first 2*n - 1 prime numbers, with a(0) = 1. %H A350932 Lucas A. Brown, <a href="https://github.com/lucasaugustus/oeis/blob/main/A350932%2B3.py">A350932+3.py</a> %H A350932 Mathematics Stack Exchange, <a href="https://math.stackexchange.com/questions/1762537/why-is-the-determinant-of-the-0x0-matrix-equal-1">Why is the determinant of the 0 x 0 matrix equal 1?</a> %H A350932 Wikipedia, <a href="http://en.wikipedia.org/wiki/Toeplitz_matrix">Toeplitz Matrix</a> %e A350932 a(2) = -11: %e A350932 2 3 %e A350932 5 2 %e A350932 a(3) = -286: %e A350932 5 7 2 %e A350932 11 5 7 %e A350932 3 11 5 %p A350932 f:= proc(n) local i; %p A350932 min(map(t -> LinearAlgebra:-Determinant(LinearAlgebra:-ToeplitzMatrix(t)), combinat:-permute([seq(ithprime(i),i=1..2*n-1)]))) end proc: %p A350932 f(0):= 1: %p A350932 map(f, [$0..5]); # _Robert Israel_, Apr 01 2024 %o A350932 (Python) %o A350932 from itertools import permutations %o A350932 from sympy import Matrix, prime %o A350932 def A350932(n): return min(Matrix([p[n-1-i:2*n-1-i] for i in range(n)]).det() for p in permutations(prime(i) for i in range(1,2*n))) # _Chai Wah Wu_, Jan 27 2022 %Y A350932 Cf. A318173, A350930, A350933 (maximal). %K A350932 sign,hard,more %O A350932 0,2 %A A350932 _Stefano Spezia_, Jan 25 2022 %E A350932 a(5) from _Alois P. Heinz_, Jan 25 2022 %E A350932 a(6)-a(7) from _Lucas A. Brown_, Aug 27 2022