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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.

A132044 Triangle T(n,k) = binomial(n, k) - 1 with T(n,0) = T(n,n) = 1, read by rows.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 1
5 1
6 1
7 2
8 2
9 1
10 1
11 3
12 5
13 3
14 1
15 1
16 4
17 9
18 9
19 4
20 1
21 1
22 5
23 14
24 19
25 14
26 5
27 1
28 1
29 6
30 20
31 34
32 34
33 20
34 6
35 1
36 1
37 7
38 27
39 55
40 69
41 55
42 27
43 7
44 1
45 1
46 8
47 35
48 83
49 125
50 125
51 83
52 35
53 8
54 1
55 1
56 9
57 44
58 119
59 209
60 251
61 209
62 119
63 44
64 9
65 1

List of values

[1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 3, 5, 3, 1, 1, 4, 9, 9, 4, 1, 1, 5, 14, 19, 14, 5, 1, 1, 6, 20, 34, 34, 20, 6, 1, 1, 7, 27, 55, 69, 55, 27, 7, 1, 1, 8, 35, 83, 125, 125, 83, 35, 8, 1, 1, 9, 44, 119, 209, 251, 209, 119, 44, 9, 1]