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.

A121462 Triangle read by rows: T(n,k) is the number of nondecreasing Dyck paths of semilength n, having pyramid weight k (1 <= k <= n).

Table of values

n a(n)
1 1
2 0
3 2
4 0
5 1
6 4
7 0
8 1
9 4
10 8
11 0
12 1
13 5
14 12
15 16
16 0
17 1
18 6
19 18
20 32
21 32
22 0
23 1
24 7
25 25
26 56
27 80
28 64
29 0
30 1
31 8
32 33
33 88
34 160
35 192
36 128
37 0
38 1
39 9
40 42
41 129
42 280
43 432
44 448
45 256
46 0
47 1
48 10
49 52
50 180
51 450
52 832
53 1120
54 1024
55 512
56 0
57 1
58 11
59 63
60 242
61 681
62 1452
63 2352
64 2816
65 2304
66 1024
67 0
68 1
69 12
70 75
71 316

List of values

[1, 0, 2, 0, 1, 4, 0, 1, 4, 8, 0, 1, 5, 12, 16, 0, 1, 6, 18, 32, 32, 0, 1, 7, 25, 56, 80, 64, 0, 1, 8, 33, 88, 160, 192, 128, 0, 1, 9, 42, 129, 280, 432, 448, 256, 0, 1, 10, 52, 180, 450, 832, 1120, 1024, 512, 0, 1, 11, 63, 242, 681, 1452, 2352, 2816, 2304, 1024, 0, 1, 12, 75, 316]