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.

A293872 Numbers having '12' as a substring of their digits.

Table of values

n a(n)
1 12
2 112
3 120
4 121
5 122
6 123
7 124
8 125
9 126
10 127
11 128
12 129
13 212
14 312
15 412
16 512
17 612
18 712
19 812
20 912
21 1012
22 1112
23 1120
24 1121
25 1122
26 1123
27 1124
28 1125
29 1126
30 1127
31 1128
32 1129
33 1200
34 1201
35 1202
36 1203
37 1204
38 1205
39 1206
40 1207
41 1208
42 1209
43 1210
44 1211
45 1212
46 1213
47 1214
48 1215
49 1216
50 1217
51 1218

List of values

[12, 112, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 212, 312, 412, 512, 612, 712, 812, 912, 1012, 1112, 1120, 1121, 1122, 1123, 1124, 1125, 1126, 1127, 1128, 1129, 1200, 1201, 1202, 1203, 1204, 1205, 1206, 1207, 1208, 1209, 1210, 1211, 1212, 1213, 1214, 1215, 1216, 1217, 1218]

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

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