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.

A158483 Triangle read by rows: T(n,k) = (4k+3)/(n+2k+2)*binomial(2n,n+2k+1).

Table of values

n a(n)
0 0
1 1
2 3
3 9
4 1
5 28
6 7
7 90
8 35
9 1
10 297
11 154
12 11
13 1001
14 637
15 77
16 1
17 3432
18 2548
19 440
20 15
21 11934
22 9996
23 2244
24 135
25 1
26 41990
27 38760
28 10659
29 950
30 19
31 149226
32 149226
33 48279
34 5775
35 209
36 1
37 534888
38 572033
39 211508
40 31878
41 1748
42 23
43 1931540
44 2187185
45 904475
46 164450

List of values

[0, 1, 3, 9, 1, 28, 7, 90, 35, 1, 297, 154, 11, 1001, 637, 77, 1, 3432, 2548, 440, 15, 11934, 9996, 2244, 135, 1, 41990, 38760, 10659, 950, 19, 149226, 149226, 48279, 5775, 209, 1, 534888, 572033, 211508, 31878, 1748, 23, 1931540, 2187185, 904475, 164450]