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.

A110197 Number triangle of sums of squared binomial coefficients.

Table of values

n a(n)
0 1
1 2
2 1
3 3
4 5
5 1
6 4
7 14
8 10
9 1
10 5
11 30
12 46
13 17
14 1
15 6
16 55
17 146
18 117
19 26
20 1
21 7
22 91
23 371
24 517
25 251
26 37
27 1
28 8
29 140
30 812
31 1742
32 1476
33 478
34 50
35 1
36 9
37 204
38 1596
39 4878
40 6376
41 3614
42 834
43 65
44 1
45 10
46 285
47 2892
48 11934
49 22252
50 19490
51 7890
52 1361
53 82
54 1
55 11
56 385
57 4917
58 26334
59 66352
60 82994
61 51990
62 15761
63 2107
64 101
65 1

List of values

[1, 2, 1, 3, 5, 1, 4, 14, 10, 1, 5, 30, 46, 17, 1, 6, 55, 146, 117, 26, 1, 7, 91, 371, 517, 251, 37, 1, 8, 140, 812, 1742, 1476, 478, 50, 1, 9, 204, 1596, 4878, 6376, 3614, 834, 65, 1, 10, 285, 2892, 11934, 22252, 19490, 7890, 1361, 82, 1, 11, 385, 4917, 26334, 66352, 82994, 51990, 15761, 2107, 101, 1]