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.

A141731 Numbers of 1's in the rows of triangle A141728.

Table of values

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

List of values

[1, 0, 3, 2, 4, 3, 6, 9, 7, 7, 9, 8, 11, 8, 13, 16, 18, 14, 14, 14, 22, 20, 20, 25, 22, 23, 24, 17, 29, 22, 29, 36, 38, 34, 32, 32, 38, 36, 34, 36, 36, 40, 44, 44, 34, 30, 42, 45, 50, 45, 38, 43, 49, 50, 55, 56, 58, 62, 56, 49, 58, 51, 62, 71, 73, 65, 65, 63, 69, 69, 69, 67, 67, 75]

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

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