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.

A109955 Number triangle binomial(n+2k,3k).

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 4
5 1
6 1
7 10
8 7
9 1
10 1
11 20
12 28
13 10
14 1
15 1
16 35
17 84
18 55
19 13
20 1
21 1
22 56
23 210
24 220
25 91
26 16
27 1
28 1
29 84
30 462
31 715
32 455
33 136
34 19
35 1
36 1
37 120
38 924
39 2002
40 1820
41 816
42 190
43 22
44 1
45 1
46 165
47 1716
48 5005
49 6188
50 3876
51 1330
52 253
53 25
54 1
55 1
56 220
57 3003
58 11440
59 18564
60 15504
61 7315
62 2024

List of values

[1, 1, 1, 1, 4, 1, 1, 10, 7, 1, 1, 20, 28, 10, 1, 1, 35, 84, 55, 13, 1, 1, 56, 210, 220, 91, 16, 1, 1, 84, 462, 715, 455, 136, 19, 1, 1, 120, 924, 2002, 1820, 816, 190, 22, 1, 1, 165, 1716, 5005, 6188, 3876, 1330, 253, 25, 1, 1, 220, 3003, 11440, 18564, 15504, 7315, 2024]