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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.

A234016 Partial sums of the characteristic function of A055938.

Table of values

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

List of values

[0, 0, 1, 1, 1, 2, 3, 3, 3, 4, 4, 4, 5, 6, 7, 7, 7, 8, 8, 8, 9, 10, 10, 10, 11, 11, 11, 12, 13, 14, 15, 15, 15, 16, 16, 16, 17, 18, 18, 18, 19, 19, 19, 20, 21, 22, 22, 22, 23, 23, 23, 24, 25, 25, 25, 26, 26, 26, 27, 28, 29, 30, 31, 31, 31, 32, 32, 32, 33, 34]

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

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