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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.

A128622 Triangle T(n, k) = A128064(unsigned) * A128174, read by rows.

Table of values

n a(n)
1 1
2 1
3 2
4 3
5 2
6 3
7 3
8 4
9 3
10 4
11 5
12 4
13 5
14 4
15 5
16 5
17 6
18 5
19 6
20 5
21 6
22 7
23 6
24 7
25 6
26 7
27 6
28 7
29 7
30 8
31 7
32 8
33 7
34 8
35 7
36 8
37 9
38 8
39 9
40 8
41 9
42 8
43 9
44 8
45 9
46 9
47 10
48 9
49 10
50 9
51 10
52 9
53 10
54 9
55 10
56 11
57 10
58 11
59 10
60 11
61 10
62 11
63 10
64 11
65 10
66 11
67 11
68 12
69 11
70 12
71 11
72 12
73 11
74 12
75 11
76 12
77 11
78 12

List of values

[1, 1, 2, 3, 2, 3, 3, 4, 3, 4, 5, 4, 5, 4, 5, 5, 6, 5, 6, 5, 6, 7, 6, 7, 6, 7, 6, 7, 7, 8, 7, 8, 7, 8, 7, 8, 9, 8, 9, 8, 9, 8, 9, 8, 9, 9, 10, 9, 10, 9, 10, 9, 10, 9, 10, 11, 10, 11, 10, 11, 10, 11, 10, 11, 10, 11, 11, 12, 11, 12, 11, 12, 11, 12, 11, 12, 11, 12]

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

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