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.

A134513 Triangle read by rows: T(n, k) = binomial(ceiling((n+k)/2), floor((n-k)/2)).

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 1
5 1
6 2
7 2
8 1
9 1
10 1
11 3
12 3
13 1
14 1
15 3
16 3
17 4
18 4
19 1
20 1
21 1
22 6
23 6
24 5
25 5
26 1
27 1
28 4
29 4
30 10
31 10
32 6
33 6
34 1
35 1
36 1
37 10
38 10
39 15
40 15
41 7
42 7
43 1
44 1
45 5
46 5
47 20
48 20
49 21
50 21
51 8
52 8
53 1
54 1
55 1
56 15
57 15
58 35
59 35
60 28
61 28
62 9
63 9
64 1
65 1
66 6
67 6
68 35
69 35
70 56
71 56
72 36
73 36
74 10
75 10
76 1
77 1

List of values

[1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 3, 3, 1, 1, 3, 3, 4, 4, 1, 1, 1, 6, 6, 5, 5, 1, 1, 4, 4, 10, 10, 6, 6, 1, 1, 1, 10, 10, 15, 15, 7, 7, 1, 1, 5, 5, 20, 20, 21, 21, 8, 8, 1, 1, 1, 15, 15, 35, 35, 28, 28, 9, 9, 1, 1, 6, 6, 35, 35, 56, 56, 36, 36, 10, 10, 1, 1]