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.

A355174 The Fuss-Catalan triangle of order 3, read by rows. Related to quartic trees.

Table of values

n a(n)
0 1
1 0
2 1
3 0
4 1
5 4
6 0
7 1
8 7
9 22
10 0
11 1
12 10
13 49
14 140
15 0
16 1
17 13
18 85
19 357
20 969
21 0
22 1
23 16
24 130
25 700
26 2695
27 7084
28 0
29 1
30 19
31 184
32 1196
33 5750
34 20930
35 53820
36 0
37 1
38 22
39 247
40 1872
41 10647
42 47502
43 166257
44 420732
45 0
46 1
47 25
48 319
49 2755
50 17980
51 93496
52 395560
53 1344904
54 3362260

List of values

[1, 0, 1, 0, 1, 4, 0, 1, 7, 22, 0, 1, 10, 49, 140, 0, 1, 13, 85, 357, 969, 0, 1, 16, 130, 700, 2695, 7084, 0, 1, 19, 184, 1196, 5750, 20930, 53820, 0, 1, 22, 247, 1872, 10647, 47502, 166257, 420732, 0, 1, 25, 319, 2755, 17980, 93496, 395560, 1344904, 3362260]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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