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.

A115154 Triangle of numbers related to the generalized Catalan sequence C(3;n+1) = A064063(n+1), n>=0.

Table of values

n a(n)
0 1
1 1
2 4
3 1
4 13
5 25
6 1
7 40
8 115
9 190
10 1
11 121
12 466
13 1036
14 1606
15 1
16 364
17 1762
18 4870
19 9688
20 14506
21 1
22 1093
23 6379
24 20989
25 50053
26 93571
27 137089
28 1
29 3280
30 22417
31 85384
32 235543
33 516256
34 927523
35 1338790
36 1
37 9841
38 77092
39 333244
40 1039873
41 2588641
42 5371210

List of values

[1, 1, 4, 1, 13, 25, 1, 40, 115, 190, 1, 121, 466, 1036, 1606, 1, 364, 1762, 4870, 9688, 14506, 1, 1093, 6379, 20989, 50053, 93571, 137089, 1, 3280, 22417, 85384, 235543, 516256, 927523, 1338790, 1, 9841, 77092, 333244, 1039873, 2588641, 5371210]

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

Content is available under The OEIS End-User License Agreement.