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.

A272440 Numbers n such that the average of the positive divisors of n is a Fibonacci number.

Table of values

n a(n)
1 1
2 3
3 5
4 6
5 21
6 41
7 45
8 65
9 67
10 68
11 78
12 96
13 109
14 382
15 497
16 517
17 527
18 658
19 682
20 705
21 759
22 805
23 930
24 966
25 1155
26 1557
27 1973
28 3211
29 3653
30 4563
31 5167
32 5620
33 9037
34 10027
35 10117
36 13279
37 17353
38 28856
39 35174
40 35534
41 45459
42 56072
43 154555
44 175151
45 177721
46 181561
47 183181
48 184201
49 184421
50 184601
51 185466
52 226666

List of values

[1, 3, 5, 6, 21, 41, 45, 65, 67, 68, 78, 96, 109, 382, 497, 517, 527, 658, 682, 705, 759, 805, 930, 966, 1155, 1557, 1973, 3211, 3653, 4563, 5167, 5620, 9037, 10027, 10117, 13279, 17353, 28856, 35174, 35534, 45459, 56072, 154555, 175151, 177721, 181561, 183181, 184201, 184421, 184601, 185466, 226666]

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

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