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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.

A238892 Index of last squarefree number in the first half of row n of Pascal's triangle.

Table of values

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

List of values

[0, 0, 1, 1, 2, 2, 2, 3, 4, 0, 4, 5, 2, 4, 6, 6, 0, 8, 0, 9, 8, 9, 10, 11, 4, 5, 10, 0, 10, 11, 2, 10, 0, 1, 16, 3, 0, 4, 18, 18, 4, 9, 10, 18, 20, 12, 18, 20, 0, 0, 0, 1, 16, 21, 18, 10, 0, 21, 22, 23, 28, 29, 30, 9, 0, 1, 2, 3, 32, 33, 6, 35, 0, 9, 32, 10, 36]

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