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.

A037389 Every base 4 digit of k is a base 7 digit of k.

Table of values

n a(n)
1 1
2 2
3 3
4 9
5 52
6 84
7 85
8 86
9 87
10 105
11 106
12 170
13 191
14 255
15 345
16 352
17 357
18 358
19 360
20 361
21 362
22 366
23 368
24 369
25 381
26 394
27 406
28 409
29 410
30 415
31 422
32 444
33 462
34 479
35 486
36 492
37 496
38 497
39 501
40 503
41 504
42 505
43 506
44 507
45 509
46 510
47 511
48 553
49 597

List of values

[1, 2, 3, 9, 52, 84, 85, 86, 87, 105, 106, 170, 191, 255, 345, 352, 357, 358, 360, 361, 362, 366, 368, 369, 381, 394, 406, 409, 410, 415, 422, 444, 462, 479, 486, 492, 496, 497, 501, 503, 504, 505, 506, 507, 509, 510, 511, 553, 597]