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.

A203228 (n-1)-st elementary symmetric function of (1!,...,(n-1)!).

Table of values

n a(n)
1 1
2 3
3 20
4 492
5 59328
6 42750720
7 215488512000
8 8688622215168000
9 3152932286024908800000
10 11441362514460661304524800000
11 456702585875829909265192058880000000
12 218761269624450195162273767321763840000000000

List of values

[1, 3, 20, 492, 59328, 42750720, 215488512000, 8688622215168000, 3152932286024908800000, 11441362514460661304524800000, 456702585875829909265192058880000000, 218761269624450195162273767321763840000000000]

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

Content is available under The OEIS End-User License Agreement.