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.

A326271 E.g.f.: Sum_{n>=0} 3^n * (exp(n*x) - 1)^n / n!.

Table of values

n a(n)
0 1
1 3
2 39
3 948
4 34869
5 1757163
6 114320118
7 9226773993
8 897658726215
9 103005144933870
10 13705015429716807
11 2085418048857405375
12 358813807291982519184
13 69146346672687725451039
14 14803634157756603606592167
15 3496440993213535696041009924
16 905508769623362527769907535857
17 255762146004426658313683324505247
18 78413243604482526944814375388910526
19 25983968388767783226046397856822603645

List of values

[1, 3, 39, 948, 34869, 1757163, 114320118, 9226773993, 897658726215, 103005144933870, 13705015429716807, 2085418048857405375, 358813807291982519184, 69146346672687725451039, 14803634157756603606592167, 3496440993213535696041009924, 905508769623362527769907535857, 255762146004426658313683324505247, 78413243604482526944814375388910526, 25983968388767783226046397856822603645]

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

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