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.

A033878 Triangular array associated with Schroeder numbers.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 3
5 2
6 1
7 5
8 10
9 6
10 1
11 7
12 22
13 38
14 22
15 1
16 9
17 38
18 98
19 158
20 90
21 1
22 11
23 58
24 194
25 450
26 698
27 394
28 1
29 13
30 82
31 334
32 978
33 2126
34 3218
35 1806
36 1
37 15
38 110
39 526
40 1838
41 4942
42 10286
43 15310
44 8558
45 1
46 17
47 142
48 778
49 3142
50 9922
51 25150
52 50746
53 74614
54 41586

List of values

[1, 1, 1, 1, 3, 2, 1, 5, 10, 6, 1, 7, 22, 38, 22, 1, 9, 38, 98, 158, 90, 1, 11, 58, 194, 450, 698, 394, 1, 13, 82, 334, 978, 2126, 3218, 1806, 1, 15, 110, 526, 1838, 4942, 10286, 15310, 8558, 1, 17, 142, 778, 3142, 9922, 25150, 50746, 74614, 41586]