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.

A238363 Coefficients for the commutator for the logarithm of the derivative operator [log(D),x^n D^n]=d[(xD)!/(xD-n)!]/d(xD) expanded in the operators :xD:^k.

Table of values

n a(n)
1 1
2 -1
3 2
4 2
5 -3
6 3
7 -6
8 8
9 -6
10 4
11 24
12 -30
13 20
14 -10
15 5
16 -120
17 144
18 -90
19 40
20 -15
21 6
22 720
23 -840
24 504
25 -210
26 70
27 -21
28 7
29 -5040
30 5760
31 -3360
32 1344
33 -420
34 112
35 -28
36 8
37 40320
38 -45360
39 25920
40 -10080
41 3024
42 -756
43 168
44 -36
45 9
46 -362880
47 403200
48 -226800
49 86400
50 -25200
51 6048
52 -1260
53 240
54 -45
55 10

List of values

[1, -1, 2, 2, -3, 3, -6, 8, -6, 4, 24, -30, 20, -10, 5, -120, 144, -90, 40, -15, 6, 720, -840, 504, -210, 70, -21, 7, -5040, 5760, -3360, 1344, -420, 112, -28, 8, 40320, -45360, 25920, -10080, 3024, -756, 168, -36, 9, -362880, 403200, -226800, 86400, -25200, 6048, -1260, 240, -45, 10]