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.

A339027 E.g.f.: exp(2 * (exp(x) - 1 - x - x^2 / 2 - x^3 / 6 - x^4 / 24)).

Table of values

n a(n)
0 1
1 0
2 0
3 0
4 0
5 2
6 2
7 2
8 2
9 2
10 506
11 1850
12 5018
13 12014
14 26886
15 1066782
16 8193070
17 42723722
18 185108514
19 719359762
20 10426744914
21 118490840686
22 976376930502
23 6583701431086
24 38977418758494
25 377188932759354
26 4671829781287922
27 51479602726372402
28 483303800325691922

List of values

[1, 0, 0, 0, 0, 2, 2, 2, 2, 2, 506, 1850, 5018, 12014, 26886, 1066782, 8193070, 42723722, 185108514, 719359762, 10426744914, 118490840686, 976376930502, 6583701431086, 38977418758494, 377188932759354, 4671829781287922, 51479602726372402, 483303800325691922]