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.

A173921 Sums of rows of the triangle in A173920.

Table of values

n a(n)
0 0
1 1
2 1
3 4
4 2
5 5
6 6
7 12
8 4
9 7
10 9
11 14
12 12
13 19
14 21
15 32
16 8
17 11
18 17
19 22
20 19
21 27
22 30
23 40
24 24
25 35
26 37
27 52
28 41
29 57
30 60
31 80
32 16
33 19
34 33
35 38
36 34
37 41
38 51
39 60
40 40
41 51
42 57
43 70
44 64
45 81
46 85
47 104
48 48
49 67
50 69
51 92
52 76
53 99
54 101
55 128
56 84
57 111
58 113
59 144
60 118
61 151
62 155
63 192
64 32
65 35
66 65
67 70
68 66
69 73

List of values

[0, 1, 1, 4, 2, 5, 6, 12, 4, 7, 9, 14, 12, 19, 21, 32, 8, 11, 17, 22, 19, 27, 30, 40, 24, 35, 37, 52, 41, 57, 60, 80, 16, 19, 33, 38, 34, 41, 51, 60, 40, 51, 57, 70, 64, 81, 85, 104, 48, 67, 69, 92, 76, 99, 101, 128, 84, 111, 113, 144, 118, 151, 155, 192, 32, 35, 65, 70, 66, 73]

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

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