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.

A120730 Another version of Catalan triangle A009766.

Table of values

n a(n)
0 1
1 0
2 1
3 0
4 1
5 1
6 0
7 0
8 2
9 1
10 0
11 0
12 2
13 3
14 1
15 0
16 0
17 0
18 5
19 4
20 1
21 0
22 0
23 0
24 5
25 9
26 5
27 1
28 0
29 0
30 0
31 0
32 14
33 14
34 6
35 1
36 0
37 0
38 0
39 0
40 14
41 28
42 20
43 7
44 1
45 0
46 0
47 0
48 0
49 0
50 42
51 48
52 27
53 8
54 1
55 0
56 0
57 0
58 0
59 0
60 42
61 90
62 75
63 35
64 9
65 1
66 0
67 0
68 0
69 0
70 0
71 0
72 132
73 165
74 110
75 44
76 10
77 1

List of values

[1, 0, 1, 0, 1, 1, 0, 0, 2, 1, 0, 0, 2, 3, 1, 0, 0, 0, 5, 4, 1, 0, 0, 0, 5, 9, 5, 1, 0, 0, 0, 0, 14, 14, 6, 1, 0, 0, 0, 0, 14, 28, 20, 7, 1, 0, 0, 0, 0, 0, 42, 48, 27, 8, 1, 0, 0, 0, 0, 0, 42, 90, 75, 35, 9, 1, 0, 0, 0, 0, 0, 0, 132, 165, 110, 44, 10, 1]

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

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