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.

A285470 Numbers k where "2" appears as the second digit of the decimal representation.

Table of values

n a(n)
1 12
2 22
3 32
4 42
5 52
6 62
7 72
8 82
9 92
10 120
11 121
12 122
13 123
14 124
15 125
16 126
17 127
18 128
19 129
20 220
21 221
22 222
23 223
24 224
25 225
26 226
27 227
28 228
29 229
30 320
31 321
32 322
33 323
34 324
35 325
36 326
37 327
38 328
39 329
40 420
41 421
42 422
43 423
44 424
45 425
46 426
47 427
48 428
49 429
50 520
51 521
52 522
53 523
54 524
55 525
56 526
57 527
58 528
59 529
60 620
61 621
62 622
63 623
64 624
65 625
66 626
67 627

List of values

[12, 22, 32, 42, 52, 62, 72, 82, 92, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 320, 321, 322, 323, 324, 325, 326, 327, 328, 329, 420, 421, 422, 423, 424, 425, 426, 427, 428, 429, 520, 521, 522, 523, 524, 525, 526, 527, 528, 529, 620, 621, 622, 623, 624, 625, 626, 627]

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

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