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.

A052640 E.g.f. x*(1-x)/(1-2*x-x^2+x^3).

Table of values

n a(n)
0 0
1 1
2 2
3 18
4 144
5 1680
6 22320
7 352800
8 6330240
9 128096640
10 2877638400
11 71131737600
12 1917922406400
13 56024506137600
14 1762396334899200
15 59401108166400000
16 2135568241078272000
17 81575844571533312000

List of values

[0, 1, 2, 18, 144, 1680, 22320, 352800, 6330240, 128096640, 2877638400, 71131737600, 1917922406400, 56024506137600, 1762396334899200, 59401108166400000, 2135568241078272000, 81575844571533312000]

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

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