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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.

A249038 Number of odd terms in first n terms of A249036.

Table of values

n a(n)
1 1
2 1
3 1
4 2
5 2
6 2
7 3
8 4
9 4
10 5
11 5
12 5
13 6
14 7
15 7
16 7
17 8
18 9
19 9
20 10
21 10
22 11
23 11
24 11
25 12
26 13
27 13
28 13
29 14
30 15
31 15
32 15
33 16
34 17
35 17
36 17
37 18
38 19
39 19
40 20
41 20
42 21
43 21
44 22
45 22
46 23
47 23
48 23
49 24
50 25
51 25
52 25
53 26
54 27
55 27
56 27
57 28
58 29
59 29
60 29
61 30
62 31
63 31
64 31
65 32
66 33
67 33
68 33
69 34
70 35
71 35
72 35
73 36
74 37
75 37
76 37
77 38
78 39

List of values

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

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