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.

A111619 Even-indexed bisection of the first lower diagonal (A111618).

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 10
6 6
7 14
8 8
9 9
10 10
11 11
12 12
13 26
14 14
15 30
16 16
17 17
18 18
19 38
20 20
21 42
22 22
23 46
24 48
25 50
26 52
27 27
28 56
29 29
30 30
31 31
32 32
33 66
34 34
35 70
36 72
37 74
38 76
39 78
40 40
41 82
42 84
43 86
44 88
45 90
46 92
47 94
48 48
49 49
50 100
51 51
52 104
53 106
54 108
55 110
56 112
57 114
58 58
59 118
60 120
61 122
62 124
63 126
64 64
65 65
66 66
67 134
68 68

List of values

[1, 2, 3, 4, 10, 6, 14, 8, 9, 10, 11, 12, 26, 14, 30, 16, 17, 18, 38, 20, 42, 22, 46, 48, 50, 52, 27, 56, 29, 30, 31, 32, 66, 34, 70, 72, 74, 76, 78, 40, 82, 84, 86, 88, 90, 92, 94, 48, 49, 100, 51, 104, 106, 108, 110, 112, 114, 58, 118, 120, 122, 124, 126, 64, 65, 66, 134, 68]

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

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