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.

A249037 Number of even terms in first n terms of A249036.

Table of values

n a(n)
1 0
2 1
3 2
4 2
5 3
6 4
7 4
8 4
9 5
10 5
11 6
12 7
13 7
14 7
15 8
16 9
17 9
18 9
19 10
20 10
21 11
22 11
23 12
24 13
25 13
26 13
27 14
28 15
29 15
30 15
31 16
32 17
33 17
34 17
35 18
36 19
37 19
38 19
39 20
40 20
41 21
42 21
43 22
44 22
45 23
46 23
47 24
48 25
49 25
50 25
51 26
52 27
53 27
54 27
55 28
56 29
57 29
58 29
59 30
60 31
61 31
62 31
63 32
64 33
65 33
66 33
67 34
68 35
69 35
70 35
71 36
72 37
73 37
74 37
75 38
76 39
77 39
78 39

List of values

[0, 1, 2, 2, 3, 4, 4, 4, 5, 5, 6, 7, 7, 7, 8, 9, 9, 9, 10, 10, 11, 11, 12, 13, 13, 13, 14, 15, 15, 15, 16, 17, 17, 17, 18, 19, 19, 19, 20, 20, 21, 21, 22, 22, 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, 39, 39]

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

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