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.

A104546 Triangle read by rows: T(n,k) is the number of Schroeder paths of length 2n and having k platforms (i.e., UHD, UHHD, UHHHD, ..., where U=(1,1), D=(1,-1), H=(2,0)).

Table of values

n a(n)
0 1
1 2
2 5
3 1
4 16
5 6
6 60
7 29
8 1
9 245
10 138
11 11
12 1051
13 670
14 84
15 1
16 4660
17 3319
18 562
19 17
20 21174
21 16691
22 3536
23 184
24 1
25 98072
26 84864
27 21510
28 1628
29 24
30 461330
31 435048
32 128134
33 12860
34 345
35 1
36 2197997
37 2244532
38 752486
39 94534
40 3865
41 32
42 10585173
43 11639558
44 4373658
45 661498
46 37265
47 585
48 1

List of values

[1, 2, 5, 1, 16, 6, 60, 29, 1, 245, 138, 11, 1051, 670, 84, 1, 4660, 3319, 562, 17, 21174, 16691, 3536, 184, 1, 98072, 84864, 21510, 1628, 24, 461330, 435048, 128134, 12860, 345, 1, 2197997, 2244532, 752486, 94534, 3865, 32, 10585173, 11639558, 4373658, 661498, 37265, 585, 1]