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.

A218685 O.g.f.: Sum_{n>=0} (1+n^3*x)^n * x^n/n! * exp(-(1+n^3*x)*x).

Table of values

n a(n)
0 1
1 0
2 1
3 6
4 34
5 270
6 3415
7 31230
8 681026
9 6949920
10 230637870
11 2546120514
12 119281951006
13 1394371349490
14 87612425583018
15 1069010047029672
16 86763885548985810
17 1094149501538197236
18 111443560982774811439
19 1442387644419293694144
20 180179254059921915232864

List of values

[1, 0, 1, 6, 34, 270, 3415, 31230, 681026, 6949920, 230637870, 2546120514, 119281951006, 1394371349490, 87612425583018, 1069010047029672, 86763885548985810, 1094149501538197236, 111443560982774811439, 1442387644419293694144, 180179254059921915232864]