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.

A193635 Triangle: T(n,k)=C(3n-k,k), 0<=k<=n.

Table of values

n a(n)
0 1
1 1
2 2
3 1
4 5
5 6
6 1
7 8
8 21
9 20
10 1
11 11
12 45
13 84
14 70
15 1
16 14
17 78
18 220
19 330
20 252
21 1
22 17
23 120
24 455
25 1001
26 1287
27 924
28 1
29 20
30 171
31 816
32 2380
33 4368
34 5005
35 3432
36 1
37 23
38 231
39 1330
40 4845
41 11628
42 18564
43 19448
44 12870
45 1
46 26
47 300
48 2024
49 8855
50 26334
51 54264
52 77520
53 75582

List of values

[1, 1, 2, 1, 5, 6, 1, 8, 21, 20, 1, 11, 45, 84, 70, 1, 14, 78, 220, 330, 252, 1, 17, 120, 455, 1001, 1287, 924, 1, 20, 171, 816, 2380, 4368, 5005, 3432, 1, 23, 231, 1330, 4845, 11628, 18564, 19448, 12870, 1, 26, 300, 2024, 8855, 26334, 54264, 77520, 75582]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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