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.

A061870 Numbers such that |first digit - second digit + third digit - fourth digit ...| = 1.

Table of values

n a(n)
1 1
2 10
3 12
4 21
5 23
6 32
7 34
8 43
9 45
10 54
11 56
12 65
13 67
14 76
15 78
16 87
17 89
18 98
19 100
20 111
21 120
22 122
23 131
24 133
25 142
26 144
27 153
28 155
29 164
30 166
31 175
32 177
33 186
34 188
35 197
36 199
37 210
38 221
39 230
40 232
41 241
42 243
43 252
44 254
45 263
46 265
47 274
48 276
49 285
50 287
51 296
52 298
53 320
54 331
55 340
56 342

List of values

[1, 10, 12, 21, 23, 32, 34, 43, 45, 54, 56, 65, 67, 76, 78, 87, 89, 98, 100, 111, 120, 122, 131, 133, 142, 144, 153, 155, 164, 166, 175, 177, 186, 188, 197, 199, 210, 221, 230, 232, 241, 243, 252, 254, 263, 265, 274, 276, 285, 287, 296, 298, 320, 331, 340, 342]