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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.

A338523 Triangle T(n,m) = (2*m*n+2*n-2*m^2+1)*C(2*n+2,2*m+1)/(4*n+2).

Table of values

n a(n)
0 1
1 2
2 2
3 3
4 14
5 3
6 4
7 44
8 44
9 4
10 5
11 100
12 238
13 100
14 5
15 6
16 190
17 828
18 828
19 190
20 6
21 7
22 322
23 2233
24 4092
25 2233
26 322
27 7
28 8
29 504
30 5096
31 14872
32 14872
33 5096
34 504
35 8
36 9
37 744
38 10332
39 43992
40 70070
41 43992
42 10332
43 744
44 9
45 10
46 1050
47 19176
48 112200
49 260780
50 260780
51 112200
52 19176
53 1050
54 10

List of values

[1, 2, 2, 3, 14, 3, 4, 44, 44, 4, 5, 100, 238, 100, 5, 6, 190, 828, 828, 190, 6, 7, 322, 2233, 4092, 2233, 322, 7, 8, 504, 5096, 14872, 14872, 5096, 504, 8, 9, 744, 10332, 43992, 70070, 43992, 10332, 744, 9, 10, 1050, 19176, 112200, 260780, 260780, 112200, 19176, 1050, 10]

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

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