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.

A379151 The binary weights of the Catalan numbers (A000108).

Table of values

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

List of values

[1, 1, 1, 2, 3, 3, 2, 6, 6, 9, 6, 8, 8, 12, 9, 16, 13, 17, 12, 17, 13, 18, 15, 25, 20, 17, 20, 24, 28, 25, 26, 25, 25, 32, 27, 34, 29, 32, 33, 29, 35, 29, 31, 36, 35, 44, 44, 49, 40, 46, 48, 44, 38, 50, 43, 44, 46, 47, 55, 50, 52, 58, 59, 60, 65, 68, 56, 62, 68]

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

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