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.

A226920 Array read by antidiagonals: T(n,k) = number of completely symmetric polynomials of degree k up to momentum conservation for n particles (n >= 4, k >= 0).

Table of values

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

List of values

[1, 1, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 2, 2, 1, 1, 0, 1, 2, 4, 2, 2, 1, 0, 1, 2, 4, 6, 5, 1, 1, 0, 1, 2, 5, 8, 13, 4, 2, 1, 0, 1, 2, 5, 10, 20, 19, 8, 2, 1, 0, 1, 2, 5, 10, 28, 36, 36, 9, 2]