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.

A067323 Catalan triangle A028364 with row reversion.

Table of values

n a(n)
0 1
1 2
2 1
3 5
4 3
5 2
6 14
7 9
8 7
9 5
10 42
11 28
12 23
13 19
14 14
15 132
16 90
17 76
18 66
19 56
20 42
21 429
22 297
23 255
24 227
25 202
26 174
27 132
28 1430
29 1001
30 869
31 785
32 715
33 645
34 561
35 429
36 4862
37 3432
38 3003
39 2739
40 2529
41 2333
42 2123
43 1859
44 1430
45 16796
46 11934
47 10504
48 9646
49 8986
50 8398
51 7810
52 7150
53 6292
54 4862

List of values

[1, 2, 1, 5, 3, 2, 14, 9, 7, 5, 42, 28, 23, 19, 14, 132, 90, 76, 66, 56, 42, 429, 297, 255, 227, 202, 174, 132, 1430, 1001, 869, 785, 715, 645, 561, 429, 4862, 3432, 3003, 2739, 2529, 2333, 2123, 1859, 1430, 16796, 11934, 10504, 9646, 8986, 8398, 7810, 7150, 6292, 4862]