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.

A387167 Numbers k for which gcd(k, A003961(k)) = gcd(sigma(k), A003961(k)) = 1, and that satisfy Euler's condition for odd perfect numbers (A228058).

Table of values

n a(n)
1 117
2 153
3 333
4 369
5 425
6 477
7 549
8 637
9 657
10 845
11 873
12 909
13 925
14 1017
15 1053
16 1233
17 1325
18 1377
19 1413
20 1421
21 1445
22 1525
23 1557
24 1629
25 1737
26 1773
27 1805
28 1813
29 1825
30 2009
31 2097
32 2169
33 2225
34 2313
35 2493
36 2525
37 2529
38 2597
39 2637
40 2725
41 2817
42 2825
43 2853
44 2989
45 2997
46 3033
47 3177
48 3321
49 3357
50 3425
51 3509
52 3573
53 3577
54 3609
55 3725

List of values

[117, 153, 333, 369, 425, 477, 549, 637, 657, 845, 873, 909, 925, 1017, 1053, 1233, 1325, 1377, 1413, 1421, 1445, 1525, 1557, 1629, 1737, 1773, 1805, 1813, 1825, 2009, 2097, 2169, 2225, 2313, 2493, 2525, 2529, 2597, 2637, 2725, 2817, 2825, 2853, 2989, 2997, 3033, 3177, 3321, 3357, 3425, 3509, 3573, 3577, 3609, 3725]