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.

A201080 Irregular triangle read by rows: number of shifted Schroeder paths of length n and area k.

Table of values

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

List of values

[1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 3, 3, 4, 3, 3, 3, 1, 1, 1, 1, 3, 3, 5, 6, 8, 9, 11, 12, 11, 10, 7, 6, 4, 1, 1, 1, 1, 3, 3, 6, 6, 9, 12, 16, 18, 22, 27, 29, 33, 38, 40, 39, 39, 34, 28, 21, 14, 10, 5, 1, 1, 1, 1, 3, 3, 6, 6, 10, 13, 18, 22, 28, 35, 41, 50, 61]