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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.

A321928 Tetrangle where T(n,H(u),H(v)) is the coefficient of f(v) in p(u), where u and v are integer partitions of n, H is Heinz number, f is forgotten symmetric functions, and p is power sum symmetric functions.

Table of values

n a(n)
1 1
2 -1
3 0
4 1
5 2
6 1
7 0
8 0
9 -1
10 -1
11 0
12 1
13 3
14 6
15 -1
16 0
17 0
18 0
19 0
20 1
21 2
22 0
23 0
24 0
25 1
26 0
27 1
28 0
29 0
30 -1
31 -2
32 -2
33 -2
34 0
35 1
36 6
37 4
38 12
39 24
40 1
41 0
42 0
43 0
44 0
45 0
46 0
47 -1
48 -1
49 0
50 0
51 0
52 0
53 0
54 -1
55 0
56 -1
57 0
58 0
59 0
60 0
61 1
62 1
63 2
64 2
65 0
66 0
67 0
68 1
69 2
70 1
71 0
72 2
73 0
74 0
75 -1
76 -3
77 -4
78 -6
79 -6
80 -6

List of values

[1, -1, 0, 1, 2, 1, 0, 0, -1, -1, 0, 1, 3, 6, -1, 0, 0, 0, 0, 1, 2, 0, 0, 0, 1, 0, 1, 0, 0, -1, -2, -2, -2, 0, 1, 6, 4, 12, 24, 1, 0, 0, 0, 0, 0, 0, -1, -1, 0, 0, 0, 0, 0, -1, 0, -1, 0, 0, 0, 0, 1, 1, 2, 2, 0, 0, 0, 1, 2, 1, 0, 2, 0, 0, -1, -3, -4, -6, -6, -6]