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.

A171903 Numbers m such that m and m+1 have at least two identical neighboring digits in their decimal representations.

Table of values

n a(n)
1 99
2 110
3 111
4 112
5 113
6 114
7 115
8 116
9 117
10 118
11 199
12 220
13 221
14 222
15 223
16 224
17 225
18 226
19 227
20 228
21 299
22 330
23 331
24 332
25 333
26 334
27 335
28 336
29 337
30 338
31 399
32 440
33 441
34 442
35 443
36 444
37 445
38 446
39 447
40 448
41 499
42 550
43 551
44 552
45 553
46 554
47 555
48 556
49 557
50 558
51 599
52 660

List of values

[99, 110, 111, 112, 113, 114, 115, 116, 117, 118, 199, 220, 221, 222, 223, 224, 225, 226, 227, 228, 299, 330, 331, 332, 333, 334, 335, 336, 337, 338, 399, 440, 441, 442, 443, 444, 445, 446, 447, 448, 499, 550, 551, 552, 553, 554, 555, 556, 557, 558, 599, 660]