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.

A130301 Triangle read by rows: A130296 * A007318, as infinite lower triangular matrices.

Table of values

n a(n)
1 1
2 3
3 1
4 5
5 3
6 1
7 7
8 6
9 4
10 1
11 9
12 10
13 10
14 5
15 1
16 11
17 15
18 20
19 15
20 6
21 1
22 13
23 21
24 35
25 35
26 21
27 7
28 1
29 15
30 28
31 56
32 70
33 56
34 28
35 8
36 1
37 17
38 36
39 84
40 126
41 126
42 84
43 36
44 9
45 1
46 19
47 45
48 120
49 210
50 252
51 210
52 120
53 45
54 10
55 1
56 21
57 55
58 165
59 330
60 462
61 462
62 330
63 165
64 55
65 11
66 1

List of values

[1, 3, 1, 5, 3, 1, 7, 6, 4, 1, 9, 10, 10, 5, 1, 11, 15, 20, 15, 6, 1, 13, 21, 35, 35, 21, 7, 1, 15, 28, 56, 70, 56, 28, 8, 1, 17, 36, 84, 126, 126, 84, 36, 9, 1, 19, 45, 120, 210, 252, 210, 120, 45, 10, 1, 21, 55, 165, 330, 462, 462, 330, 165, 55, 11, 1]

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

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