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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.

A138115 Triangle read by rows: row n lists the first n digits of the decimal expansion of e.

Table of values

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

List of values

[2, 2, 7, 2, 7, 1, 2, 7, 1, 8, 2, 7, 1, 8, 2, 2, 7, 1, 8, 2, 8, 2, 7, 1, 8, 2, 8, 1, 2, 7, 1, 8, 2, 8, 1, 8, 2, 7, 1, 8, 2, 8, 1, 8, 2, 2, 7, 1, 8, 2, 8, 1, 8, 2, 8, 2, 7, 1, 8, 2, 8, 1, 8, 2, 8, 4, 2, 7, 1, 8, 2, 8, 1, 8, 2, 8, 4, 5]

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