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.

A308684 Partition array T(n, k) for the coefficients of the n-th power sums of the second elementary symmetric function in terms of the elementary symmetric functions.

Table of values

n a(n)
1 1
2 2
3 -2
4 1
5 3
6 -3
7 -3
8 3
9 3
10 -3
11 1
12 4
13 -4
14 -4
15 -4
16 6
17 4
18 8
19 -8
20 -4
21 4
22 -4
23 4
24 2
25 -4
26 1
27 5
28 -5
29 -5
30 -5
31 -5
32 10
33 5
34 10
35 10
36 -15
37 5
38 -15
39 5
40 5
41 -5
42 -15
43 10
44 5
45 10
46 -5
47 -5
48 -5
49 5
50 5
51 5
52 -5
53 5
54 5
55 -5
56 1

List of values

[1, 2, -2, 1, 3, -3, -3, 3, 3, -3, 1, 4, -4, -4, -4, 6, 4, 8, -8, -4, 4, -4, 4, 2, -4, 1, 5, -5, -5, -5, -5, 10, 5, 10, 10, -15, 5, -15, 5, 5, -5, -15, 10, 5, 10, -5, -5, -5, 5, 5, 5, -5, 5, 5, -5, 1]