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.

A174093 Triangle T(n, k) = binomial(n-k+1, k) + binomial(k+1, n-k) with T(0,0) = T(1, 0) = T(1, 1) = 1, read by rows.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 4
5 1
6 1
7 4
8 4
9 1
10 1
11 4
12 6
13 4
14 1
15 1
16 5
17 7
18 7
19 5
20 1
21 1
22 6
23 10
24 8
25 10
26 6
27 1
28 1
29 7
30 15
31 11
32 11
33 15
34 7
35 1
36 1
37 8
38 21
39 20
40 10
41 20
42 21
43 8
44 1
45 1
46 9
47 28
48 35
49 16
50 16
51 35
52 28
53 9
54 1
55 1
56 10
57 36
58 56
59 35
60 12
61 35
62 56
63 36
64 10
65 1

List of values

[1, 1, 1, 1, 4, 1, 1, 4, 4, 1, 1, 4, 6, 4, 1, 1, 5, 7, 7, 5, 1, 1, 6, 10, 8, 10, 6, 1, 1, 7, 15, 11, 11, 15, 7, 1, 1, 8, 21, 20, 10, 20, 21, 8, 1, 1, 9, 28, 35, 16, 16, 35, 28, 9, 1, 1, 10, 36, 56, 35, 12, 35, 56, 36, 10, 1]