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.

A320845 Permanent of the n X n symmetric Pascal matrix S(i, j) = A007318(i + j - 2, i - 2).

Table of values

n a(n)
1 1
2 3
3 35
4 1625
5 301501
6 223727931
7 664027495067
8 7882889445845553
9 374307461786150039341
10 71094317517818229430634443
11 54016473080283197162871309369823
12 164180413591614722725059485805374744105
13 1996341102310530780023501278692058093020378765

List of values

[1, 3, 35, 1625, 301501, 223727931, 664027495067, 7882889445845553, 374307461786150039341, 71094317517818229430634443, 54016473080283197162871309369823, 164180413591614722725059485805374744105, 1996341102310530780023501278692058093020378765]

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

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