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.

A203264 Permanent of the n-th principal submatrix of (A134446 in square format).

Table of values

n a(n)
1 1
2 4
3 72
4 2304
5 172800
6 18662400
7 3657830400
8 936404582400
9 379243855872000
10 189621927936000000
11 137665519681536000000
12 118943009004847104000000
13 140709579652734124032000000
14 193053543283551218171904000000

List of values

[1, 4, 72, 2304, 172800, 18662400, 3657830400, 936404582400, 379243855872000, 189621927936000000, 137665519681536000000, 118943009004847104000000, 140709579652734124032000000, 193053543283551218171904000000]

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

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