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.

A372879 Irregular triangle read by rows: T(n,k) is the number of flattened Catalan words of length n with exactly k short peak, with k >= 0.

Table of values

n a(n)
1 1
2 2
3 4
4 1
5 9
6 5
7 22
8 18
9 1
10 56
11 58
12 8
13 145
14 178
15 41
16 1
17 378
18 532
19 173
20 11
21 988
22 1563
23 656
24 73
25 1
26 2585
27 4535
28 2327
29 381
30 14
31 6766
32 13030
33 7888
34 1726
35 114
36 1
37 17712
38 37140
39 25872
40 7124
41 709
42 17
43 46369
44 105156
45 82758
46 27534
47 3739
48 164
49 1
50 121394
51 296040
52 259542
53 101350
54 17632
55 1184
56 20

List of values

[1, 2, 4, 1, 9, 5, 22, 18, 1, 56, 58, 8, 145, 178, 41, 1, 378, 532, 173, 11, 988, 1563, 656, 73, 1, 2585, 4535, 2327, 381, 14, 6766, 13030, 7888, 1726, 114, 1, 17712, 37140, 25872, 7124, 709, 17, 46369, 105156, 82758, 27534, 3739, 164, 1, 121394, 296040, 259542, 101350, 17632, 1184, 20]