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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.

A213741 Numbers n such that the sum of the first n primes is divisible by exactly 3 prime powers (not including 1).

Table of values

n a(n)
1 5
2 13
3 20
4 23
5 24
6 35
7 39
8 41
9 42
10 43
11 47
12 50
13 56
14 61
15 62
16 63
17 67
18 68
19 69
20 70
21 73
22 76
23 78
24 81
25 86
26 90
27 98
28 112
29 123
30 126
31 128
32 134
33 143
34 145
35 147
36 160
37 165
38 166
39 172
40 176
41 180
42 182
43 186
44 189
45 191
46 193
47 196
48 197
49 200
50 215
51 220
52 222
53 223
54 225
55 227
56 229
57 238

List of values

[5, 13, 20, 23, 24, 35, 39, 41, 42, 43, 47, 50, 56, 61, 62, 63, 67, 68, 69, 70, 73, 76, 78, 81, 86, 90, 98, 112, 123, 126, 128, 134, 143, 145, 147, 160, 165, 166, 172, 176, 180, 182, 186, 189, 191, 193, 196, 197, 200, 215, 220, 222, 223, 225, 227, 229, 238]

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

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