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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.

A382722 Number of entries in the n-th row of Pascal's triangle not divisible by 13.

Table of values

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

List of values

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, 66, 72, 78, 7, 14, 21]

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