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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.

A360571 Triangle read by rows: T(n,k) is the k-th Lie-Betti number of the path graph on n-vertices, n >= 1, 0 <= k <= 2*n - 1.

Table of values

n a(n)
1 1
2 1
3 1
4 2
5 2
6 1
7 1
8 3
9 6
10 6
11 3
12 1
13 1
14 4
15 11
16 16
17 16
18 11
19 4
20 1
21 1
22 5
23 17
24 33
25 48
26 48
27 33
28 17
29 5
30 1
31 1
32 6
33 24
34 58
35 107
36 140
37 140
38 107
39 58
40 24
41 6
42 1
43 1
44 7
45 32
46 92
47 203
48 329
49 424
50 424
51 329
52 203
53 92
54 32
55 7
56 1
57 1
58 8
59 41
60 136
61 347
62 668
63 1039
64 1280
65 1280
66 1039
67 668
68 347
69 136
70 41
71 8
72 1

List of values

[1, 1, 1, 2, 2, 1, 1, 3, 6, 6, 3, 1, 1, 4, 11, 16, 16, 11, 4, 1, 1, 5, 17, 33, 48, 48, 33, 17, 5, 1, 1, 6, 24, 58, 107, 140, 140, 107, 58, 24, 6, 1, 1, 7, 32, 92, 203, 329, 424, 424, 329, 203, 92, 32, 7, 1, 1, 8, 41, 136, 347, 668, 1039, 1280, 1280, 1039, 668, 347, 136, 41, 8, 1]