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.

A142147 Irregular triangle read by rows: first row is 1, and the n-th row gives the coefficients in the expansion of (1/2*x)*(1 - 2*x*(1 - x))^(n + 1)*Li(-n, 2*x*(1 - x)), where Li(n, z) is the polylogarithm.

Table of values

n a(n)
0 1
1 1
2 -1
3 1
4 1
5 -4
6 2
7 1
8 7
9 -12
10 -4
11 12
12 -4
13 1
14 21
15 0
16 -102
17 100
18 4
19 -32
20 8
21 1
22 51
23 160
24 -532
25 -24
26 904
27 -672
28 48
29 80
30 -16
31 1
32 113
33 980
34 -1094
35 -5128
36 8760
37 -736
38 -6224
39 3920
40 -432
41 -192
42 32
43 1
44 239
45 4284
46 5276
47 -43964
48 19764
49 90272
50 -114080
51 19824
52 36304

List of values

[1, 1, -1, 1, 1, -4, 2, 1, 7, -12, -4, 12, -4, 1, 21, 0, -102, 100, 4, -32, 8, 1, 51, 160, -532, -24, 904, -672, 48, 80, -16, 1, 113, 980, -1094, -5128, 8760, -736, -6224, 3920, -432, -192, 32, 1, 239, 4284, 5276, -43964, 19764, 90272, -114080, 19824, 36304]