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.

A046854 Triangle read by rows: T(n, k) = binomial(floor((n+k)/2), k), n >= k >= 0.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 1
5 1
6 1
7 2
8 1
9 1
10 1
11 2
12 3
13 1
14 1
15 1
16 3
17 3
18 4
19 1
20 1
21 1
22 3
23 6
24 4
25 5
26 1
27 1
28 1
29 4
30 6
31 10
32 5
33 6
34 1
35 1
36 1
37 4
38 10
39 10
40 15
41 6
42 7
43 1
44 1
45 1
46 5
47 10
48 20
49 15
50 21
51 7
52 8
53 1
54 1
55 1
56 5
57 15
58 20
59 35
60 21
61 28
62 8
63 9
64 1
65 1
66 1
67 6
68 15
69 35
70 35
71 56
72 28
73 36
74 9
75 10
76 1
77 1
78 1
79 6
80 21
81 35
82 70
83 56
84 84
85 36
86 45
87 10
88 11
89 1
90 1

List of values

[1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 3, 1, 1, 1, 3, 3, 4, 1, 1, 1, 3, 6, 4, 5, 1, 1, 1, 4, 6, 10, 5, 6, 1, 1, 1, 4, 10, 10, 15, 6, 7, 1, 1, 1, 5, 10, 20, 15, 21, 7, 8, 1, 1, 1, 5, 15, 20, 35, 21, 28, 8, 9, 1, 1, 1, 6, 15, 35, 35, 56, 28, 36, 9, 10, 1, 1, 1, 6, 21, 35, 70, 56, 84, 36, 45, 10, 11, 1, 1]