cp's OEIS Frontend

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.

A263546 Numbers k such that k divides the sum of the first k primes with even indices.

Table of values

n a(n)
1 1
2 2
3 6
4 12
5 15
6 28
7 40
8 92
9 111
10 113
11 145
12 223
13 268
14 420
15 625
16 2080
17 2282
18 2996
19 3371
20 19560
21 38032
22 54426
23 1474778
24 3763906
25 5196340
26 6435993
27 7808592
28 11487666
29 16738298
30 28145334
31 53830258
32 57281504
33 77275294
34 135770496
35 164914949

List of values

[1, 2, 6, 12, 15, 28, 40, 92, 111, 113, 145, 223, 268, 420, 625, 2080, 2282, 2996, 3371, 19560, 38032, 54426, 1474778, 3763906, 5196340, 6435993, 7808592, 11487666, 16738298, 28145334, 53830258, 57281504, 77275294, 135770496, 164914949]

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

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