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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.

A359559 a(n) is the determinant of an n X n Hermitian Toeplitz matrix whose first row consists of 1, 2*i, ..., n*i, where i denotes the imaginary unit.

Table of values

n a(n)
0 1
1 1
2 -3
3 -16
4 -36
5 -40
6 20
7 184
8 400
9 432
10 -112
11 -1472
12 -3136
13 -3328
14 576
15 9856
16 20736
17 21760
18 -2816
19 -59392
20 -123904
21 -129024
22 13312
23 333824
24 692224
25 716800
26 -61440
27 -1785856
28 -3686400
29 -3801088
30 278528
31 9207808
32 18939904
33 19464192
34 -1245184
35 -46137344
36 -94633984

List of values

[1, 1, -3, -16, -36, -40, 20, 184, 400, 432, -112, -1472, -3136, -3328, 576, 9856, 20736, 21760, -2816, -59392, -123904, -129024, 13312, 333824, 692224, 716800, -61440, -1785856, -3686400, -3801088, 278528, 9207808, 18939904, 19464192, -1245184, -46137344, -94633984]