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.

A238344 Irregular triangle T(n,k) read by rows: T(n,k) is the number of compositions of n with k descents, n>=0, 0<=k<=floor(n/3).

Table of values

n a(n)
0 1
1 1
2 2
3 3
4 1
5 5
6 3
7 7
8 9
9 11
10 19
11 2
12 15
13 41
14 8
15 22
16 77
17 29
18 30
19 142
20 81
21 3
22 42
23 247
24 205
25 18
26 56
27 421
28 469
29 78
30 77
31 689
32 1013
33 264
34 5
35 101
36 1113
37 2059
38 786
39 37
40 135
41 1750
42 4021
43 2097
44 189
45 176
46 2712
47 7558
48 5179
49 751
50 8
51 231
52 4128
53 13780
54 11998
55 2558
56 73
57 297
58 6208
59 24440
60 26400
61 7762
62 429

List of values

[1, 1, 2, 3, 1, 5, 3, 7, 9, 11, 19, 2, 15, 41, 8, 22, 77, 29, 30, 142, 81, 3, 42, 247, 205, 18, 56, 421, 469, 78, 77, 689, 1013, 264, 5, 101, 1113, 2059, 786, 37, 135, 1750, 4021, 2097, 189, 176, 2712, 7558, 5179, 751, 8, 231, 4128, 13780, 11998, 2558, 73, 297, 6208, 24440, 26400, 7762, 429]