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.

A025693 Index of 2^n within sequence of numbers of form 2^i*7^j.

Table of values

n a(n)
0 1
1 2
2 3
3 5
4 7
5 9
6 12
7 15
8 18
9 22
10 26
11 30
12 35
13 40
14 45
15 51
16 57
17 64
18 71
19 78
20 86
21 94
22 102
23 111
24 120
25 129
26 139
27 149
28 159
29 170
30 181
31 193
32 205
33 217
34 230
35 243
36 256
37 270
38 284
39 298
40 313
41 328
42 343
43 359
44 375
45 392
46 409
47 426
48 444
49 462
50 480
51 499
52 518
53 537
54 557
55 577
56 597
57 618
58 639
59 661
60 683

List of values

[1, 2, 3, 5, 7, 9, 12, 15, 18, 22, 26, 30, 35, 40, 45, 51, 57, 64, 71, 78, 86, 94, 102, 111, 120, 129, 139, 149, 159, 170, 181, 193, 205, 217, 230, 243, 256, 270, 284, 298, 313, 328, 343, 359, 375, 392, 409, 426, 444, 462, 480, 499, 518, 537, 557, 577, 597, 618, 639, 661, 683]

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

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