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.

A046726 Triangle of numbers of semi-meanders of order n with k components.

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 2
6 2
7 1
8 3
9 6
10 4
11 1
12 4
13 11
14 16
15 10
16 1
17 5
18 17
19 37
20 48
21 24
22 1
23 6
24 24
25 66
26 126
27 140
28 66
29 1
30 7
31 32
32 104
33 254
34 430
35 428
36 174
37 1
38 8
39 41
40 152
41 438
42 956
43 1454
44 1308
45 504
46 1
47 9
48 51
49 211
50 690
51 1796
52 3584
53 4976
54 4072
55 1406
56 1
57 10
58 62
59 282
60 1023
61 3028
62 7238
63 13256
64 16880
65 12796
66 4210

List of values

[1, 1, 1, 1, 2, 2, 1, 3, 6, 4, 1, 4, 11, 16, 10, 1, 5, 17, 37, 48, 24, 1, 6, 24, 66, 126, 140, 66, 1, 7, 32, 104, 254, 430, 428, 174, 1, 8, 41, 152, 438, 956, 1454, 1308, 504, 1, 9, 51, 211, 690, 1796, 3584, 4976, 4072, 1406, 1, 10, 62, 282, 1023, 3028, 7238, 13256, 16880, 12796, 4210]