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.

A153647 a(n) = 3^n*(n + 2)!.

Table of values

n a(n)
0 2
1 18
2 216
3 3240
4 58320
5 1224720
6 29393280
7 793618560
8 23808556800
9 785682374400
10 28284565478400
11 1103098053657600
12 46330118253619200
13 2084855321412864000
14 100073055427817472000
15 5103725826818691072000
16 275601194648209317888000
17 15709268094947931119616000

List of values

[2, 18, 216, 3240, 58320, 1224720, 29393280, 793618560, 23808556800, 785682374400, 28284565478400, 1103098053657600, 46330118253619200, 2084855321412864000, 100073055427817472000, 5103725826818691072000, 275601194648209317888000, 15709268094947931119616000]