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.

A119426 Concatenation of 3 or more numbers in arithmetic progression with positive common difference.

Table of values

n a(n)
0 123
1 135
2 147
3 159
4 234
5 246
6 258
7 345
8 357
9 369
10 456
11 468
12 567
13 579
14 678
15 789
16 1234
17 1357
18 1611
19 1713
20 1815
21 1917
22 2345
23 2468
24 2610
25 2712
26 2814
27 2916
28 3456
29 3579
30 3711
31 3813
32 3915
33 4567
34 4710
35 4812
36 4914
37 5678
38 5811
39 5913
40 6789
41 6810
42 6912
43 7911
44 8910

List of values

[123, 135, 147, 159, 234, 246, 258, 345, 357, 369, 456, 468, 567, 579, 678, 789, 1234, 1357, 1611, 1713, 1815, 1917, 2345, 2468, 2610, 2712, 2814, 2916, 3456, 3579, 3711, 3813, 3915, 4567, 4710, 4812, 4914, 5678, 5811, 5913, 6789, 6810, 6912, 7911, 8910]

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

Content is available under The OEIS End-User License Agreement.