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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.

A222714 Smallest i such that prime(n) divides gcd(sigma(i), phi(i)) (cf. A009223).

Table of values

n a(n)
1 3
2 14
3 88
4 116
5 989
6 477
7 6901
8 7067
9 6439
10 10207
11 4976
12 10877
13 13529
14 44461
15 79523
16 22577
17 250277
18 62023
19 107869
20 161027
21 75008
22 49769
23 55277
24 183296
25 75077
26 612463
27 381923
28 412163
29 712423
30 153679
31 32576
32 137549
33 450181
34 154289
35 1776377
36 1642577
37 491723
38 637981
39 3903791
40 239777
41 642251
42 1572889
43 1608983
44 1192739
45 2791489
46 316409
47 888731
48 4773091
49 4942243
50 1256293

List of values

[3, 14, 88, 116, 989, 477, 6901, 7067, 6439, 10207, 4976, 10877, 13529, 44461, 79523, 22577, 250277, 62023, 107869, 161027, 75008, 49769, 55277, 183296, 75077, 612463, 381923, 412163, 712423, 153679, 32576, 137549, 450181, 154289, 1776377, 1642577, 491723, 637981, 3903791, 239777, 642251, 1572889, 1608983, 1192739, 2791489, 316409, 888731, 4773091, 4942243, 1256293]

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