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.

A014297 a(n) = n! * C(n+2, 2) * 2^(n+1).

Table of values

n a(n)
0 2
1 12
2 96
3 960
4 11520
5 161280
6 2580480
7 46448640
8 928972800
9 20437401600
10 490497638400
11 12752938598400
12 357082280755200
13 10712468422656000
14 342798989524992000
15 11655165643849728000
16 419585963178590208000
17 15944266600786427904000
18 637770664031457116160000

List of values

[2, 12, 96, 960, 11520, 161280, 2580480, 46448640, 928972800, 20437401600, 490497638400, 12752938598400, 357082280755200, 10712468422656000, 342798989524992000, 11655165643849728000, 419585963178590208000, 15944266600786427904000, 637770664031457116160000]

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

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