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.

A129165 Triangle read by rows: T(n,k) is the number of skew Dyck paths of semilength n and having k base pyramids.

Table of values

n a(n)
0 1
1 0
2 1
3 1
4 1
5 1
6 5
7 2
8 2
9 1
10 19
11 9
12 4
13 3
14 1
15 73
16 37
17 15
18 7
19 4
20 1
21 292
22 147
23 63
24 24
25 11
26 5
27 1
28 1203
29 598
30 258
31 100
32 37
33 16
34 6
35 1
36 5065
37 2497
38 1067
39 419
40 152
41 55
42 22
43 7
44 1
45 21697
46 10633
47 4507
48 1762
49 647
50 224
51 79
52 29
53 8
54 1
55 94274
56 45980
57 19379
58 7528
59 2765
60 964
61 322

List of values

[1, 0, 1, 1, 1, 1, 5, 2, 2, 1, 19, 9, 4, 3, 1, 73, 37, 15, 7, 4, 1, 292, 147, 63, 24, 11, 5, 1, 1203, 598, 258, 100, 37, 16, 6, 1, 5065, 2497, 1067, 419, 152, 55, 22, 7, 1, 21697, 10633, 4507, 1762, 647, 224, 79, 29, 8, 1, 94274, 45980, 19379, 7528, 2765, 964, 322]