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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.

A086718 Convolution of sequence of primes with sequence sigma(n).

Table of values

n a(n)
1 2
2 9
3 22
4 48
5 85
6 151
7 231
8 355
9 500
10 709
11 937
12 1267
13 1617
14 2069
15 2575
16 3193
17 3860
18 4686
19 5549
20 6593
21 7725
22 8985
23 10337
24 11961
25 13591
26 15464
27 17498
28 19714
29 22036
30 24690
31 27378
32 30382
33 33603
34 37023
35 40597
36 44733
37 48720
38 53152
39 57950
40 62978
41 68074
42 73898
43 79558

List of values

[2, 9, 22, 48, 85, 151, 231, 355, 500, 709, 937, 1267, 1617, 2069, 2575, 3193, 3860, 4686, 5549, 6593, 7725, 8985, 10337, 11961, 13591, 15464, 17498, 19714, 22036, 24690, 27378, 30382, 33603, 37023, 40597, 44733, 48720, 53152, 57950, 62978, 68074, 73898, 79558]

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

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