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.

A076246 Totients of those numbers at which values of A051547 increase: in these consecutive terms new prime powers arise, i.e., which did not occur in neither of preceding terms.

Table of values

n a(n)
1 2
2 4
3 6
4 10
5 8
6 16
7 18
8 22
9 28
10 46
11 32
12 52
13 58
14 54
15 82
16 64
17 100
18 102
19 106
20 148
21 162
22 166
23 172
24 178
25 190
26 196
27 226
28 250
29 128
30 256
31 262
32 268
33 282
34 292
35 310
36 316
37 346
38 358
39 366
40 382
41 388
42 466
43 478
44 486
45 502
46 508
47 556
48 562
49 568
50 586
51 606
52 618
53 642
54 652
55 676
56 708

List of values

[2, 4, 6, 10, 8, 16, 18, 22, 28, 46, 32, 52, 58, 54, 82, 64, 100, 102, 106, 148, 162, 166, 172, 178, 190, 196, 226, 250, 128, 256, 262, 268, 282, 292, 310, 316, 346, 358, 366, 382, 388, 466, 478, 486, 502, 508, 556, 562, 568, 586, 606, 618, 642, 652, 676, 708]

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

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