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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.

A374618 a(n) is the number of distinct values of the determinant of an n X n symmetric Toeplitz matrix having 0 on the main diagonal and all the integers 1, 2, ..., n-1 off-diagonal.

Table of values

n a(n)
0 1
1 1
2 1
3 2
4 6
5 22
6 111
7 695
8 4920
9 39881
10 360242

List of values

[1, 1, 1, 2, 6, 22, 111, 695, 4920, 39881, 360242]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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