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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.

A091497 Number of nonzero terms in the n-th row of triangle A091492.

Table of values

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

List of values

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

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

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