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.

A368266 Expansion of e.g.f. exp(-2*x) / (1 - x*exp(x)).

Table of values

n a(n)
0 1
1 -1
2 4
3 1
4 60
5 393
6 4498
7 54689
8 773384
9 12268369
10 216328614
11 4195769433
12 88776964444
13 2034936319817
14 50232646818890
15 1328570248040497
16 37481046375146640
17 1123486426007081505
18 35657224567565828302
19 1194561018775753556777
20 42125545306641497600036

List of values

[1, -1, 4, 1, 60, 393, 4498, 54689, 773384, 12268369, 216328614, 4195769433, 88776964444, 2034936319817, 50232646818890, 1328570248040497, 37481046375146640, 1123486426007081505, 35657224567565828302, 1194561018775753556777, 42125545306641497600036]