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.

A009947 Sequence of nonnegative integers, but insert n/2 after every even number n.

Table of values

n a(n)
0 0
1 0
2 1
3 2
4 1
5 3
6 4
7 2
8 5
9 6
10 3
11 7
12 8
13 4
14 9
15 10
16 5
17 11
18 12
19 6
20 13
21 14
22 7
23 15
24 16
25 8
26 17
27 18
28 9
29 19
30 20
31 10
32 21
33 22
34 11
35 23
36 24
37 12
38 25
39 26
40 13
41 27
42 28
43 14
44 29
45 30
46 15
47 31
48 32
49 16
50 33
51 34
52 17
53 35
54 36
55 18
56 37
57 38
58 19
59 39
60 40
61 20
62 41
63 42
64 21
65 43
66 44
67 22
68 45
69 46

List of values

[0, 0, 1, 2, 1, 3, 4, 2, 5, 6, 3, 7, 8, 4, 9, 10, 5, 11, 12, 6, 13, 14, 7, 15, 16, 8, 17, 18, 9, 19, 20, 10, 21, 22, 11, 23, 24, 12, 25, 26, 13, 27, 28, 14, 29, 30, 15, 31, 32, 16, 33, 34, 17, 35, 36, 18, 37, 38, 19, 39, 40, 20, 41, 42, 21, 43, 44, 22, 45, 46]

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

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