cp's OEIS Frontend

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.

A374068 a(n) is the permanent of the symmetric Toeplitz matrix of order n whose element (i,j) equals the |i-j|-th prime or 0 if i = j.

Table of values

n a(n)
0 1
1 0
2 4
3 24
4 529
5 16100
6 919037
7 75568846
8 9196890092
9 1491628025318
10 317579623173729
11 86997150829931700
12 29703399282858184713
13 12512837775355494800500
14 6397110844644502402189404
15 3875565057688532269985283868
16 2747710211567246171588232074225
17 2265312860218073375019946448731300

List of values

[1, 0, 4, 24, 529, 16100, 919037, 75568846, 9196890092, 1491628025318, 317579623173729, 86997150829931700, 29703399282858184713, 12512837775355494800500, 6397110844644502402189404, 3875565057688532269985283868, 2747710211567246171588232074225, 2265312860218073375019946448731300]