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.

A230764 Length of chunks of even digits, delimited by an odd digit, in the concatenation of all terms; smallest such sequence without repeated terms.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 6
6 5
7 8
8 20
9 7
10 22
11 24
12 21
13 26
14 28
15 9
16 40
17 42
18 44
19 23
20 46
21 48
22 60
23 62
24 64
25 66
26 68
27 80
28 82
29 25
30 84
31 86
32 88
33 10
34 200
35 202
36 204
37 206
38 208
39 220
40 201
41 222
42 224
43 226
44 228
45 240
46 242
47 244
48 203
49 246
50 248
51 260
52 262
53 264
54 266
55 205
56 268
57 280
58 282
59 284
60 286

List of values

[1, 2, 3, 4, 6, 5, 8, 20, 7, 22, 24, 21, 26, 28, 9, 40, 42, 44, 23, 46, 48, 60, 62, 64, 66, 68, 80, 82, 25, 84, 86, 88, 10, 200, 202, 204, 206, 208, 220, 201, 222, 224, 226, 228, 240, 242, 244, 203, 246, 248, 260, 262, 264, 266, 205, 268, 280, 282, 284, 286]

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

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