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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.

A067112 Let N = 2357111317192329313741434753..., the concatenation of the primes; a(n) = sum of first n digits of N.

Table of values

n a(n)
0 0
1 2
2 5
3 10
4 17
5 18
6 19
7 20
8 23
9 24
10 31
11 32
12 41
13 43
14 46
15 48
16 57
17 60
18 61
19 64
20 71
21 75
22 76
23 80
24 83
25 87
26 94
27 99
28 102
29 107
30 116
31 122
32 123
33 129
34 136
35 143
36 144
37 151
38 154
39 161
40 170
41 178
42 181
43 189
44 198
45 207
46 214
47 215
48 215
49 216
50 217
51 217
52 220
53 221
54 221
55 228
56 229
57 229
58 238
59 239

List of values

[0, 2, 5, 10, 17, 18, 19, 20, 23, 24, 31, 32, 41, 43, 46, 48, 57, 60, 61, 64, 71, 75, 76, 80, 83, 87, 94, 99, 102, 107, 116, 122, 123, 129, 136, 143, 144, 151, 154, 161, 170, 178, 181, 189, 198, 207, 214, 215, 215, 216, 217, 217, 220, 221, 221, 228, 229, 229, 238, 239]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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