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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.

A356492 a(n) is the determinant of a symmetric Toeplitz matrix M(n) whose first row consists of prime(n), prime(n-1), ..., prime(1).

Table of values

n a(n)
0 1
1 2
2 5
3 51
4 264
5 19532
6 -11904
7 1261296
8 -2052864
9 70621632
10 24618221568
11 3996020736
12 743171562496
13 24567175118848
14 -1257930752000
15 864893030400
16 12289833785344000
17 1099483729459478528
18 100515455071223808
19 757166323365314560
20 6294658173770137600
21 7801939905505132544

List of values

[1, 2, 5, 51, 264, 19532, -11904, 1261296, -2052864, 70621632, 24618221568, 3996020736, 743171562496, 24567175118848, -1257930752000, 864893030400, 12289833785344000, 1099483729459478528, 100515455071223808, 757166323365314560, 6294658173770137600, 7801939905505132544]