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.

A067870 Numbers k such that k and 3^k end with the same digit.

Table of values

n a(n)
1 7
2 13
3 27
4 33
5 47
6 53
7 67
8 73
9 87
10 93
11 107
12 113
13 127
14 133
15 147
16 153
17 167
18 173
19 187
20 193
21 207
22 213
23 227
24 233
25 247
26 253
27 267
28 273
29 287
30 293
31 307
32 313
33 327
34 333
35 347
36 353
37 367
38 373
39 387
40 393
41 407
42 413
43 427
44 433
45 447
46 453
47 467
48 473
49 487
50 493
51 507
52 513
53 527
54 533

List of values

[7, 13, 27, 33, 47, 53, 67, 73, 87, 93, 107, 113, 127, 133, 147, 153, 167, 173, 187, 193, 207, 213, 227, 233, 247, 253, 267, 273, 287, 293, 307, 313, 327, 333, 347, 353, 367, 373, 387, 393, 407, 413, 427, 433, 447, 453, 467, 473, 487, 493, 507, 513, 527, 533]