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.

A025698 Index of 3^n within sequence of numbers of form 3^i*7^j.

Table of values

n a(n)
1 1
2 2
3 4
4 6
5 9
6 12
7 16
8 20
9 25
10 31
11 37
12 44
13 51
14 59
15 67
16 76
17 86
18 96
19 107
20 118
21 130
22 142
23 155
24 168
25 182
26 197
27 212
28 228
29 244
30 261
31 278
32 296
33 315
34 334
35 354
36 374
37 395
38 416
39 438
40 461
41 484
42 508
43 532
44 557
45 582
46 608
47 634
48 661
49 689
50 717
51 746
52 775
53 805
54 835
55 866
56 898
57 930
58 963
59 996

List of values

[1, 2, 4, 6, 9, 12, 16, 20, 25, 31, 37, 44, 51, 59, 67, 76, 86, 96, 107, 118, 130, 142, 155, 168, 182, 197, 212, 228, 244, 261, 278, 296, 315, 334, 354, 374, 395, 416, 438, 461, 484, 508, 532, 557, 582, 608, 634, 661, 689, 717, 746, 775, 805, 835, 866, 898, 930, 963, 996]