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.

A104734 Triangle T(n,k) = sum_{j=k..n} (2n-2j+1)*binomial(k,j-k), read by rows, 0<=k<=n.

Table of values

n a(n)
0 1
1 3
2 1
3 5
4 4
5 1
6 7
7 8
8 5
9 1
10 9
11 12
12 12
13 6
14 1
15 11
16 16
17 20
18 17
19 7
20 1
21 13
22 20
23 28
24 32
25 23
26 8
27 1
28 15
29 24
30 36
31 48
32 49
33 30
34 9
35 1
36 17
37 28
38 44
39 64
40 80
41 72
42 38
43 10
44 1
45 19
46 32
47 52
48 80
49 112
50 129
51 102
52 47
53 11
54 1
55 21
56 36
57 60
58 96
59 144
60 192
61 201
62 140
63 57
64 12
65 1
66 23
67 40
68 68
69 112
70 176
71 256
72 321
73 303
74 187
75 68
76 13
77 1
78 25
79 44
80 76
81 128
82 208
83 320
84 448
85 522
86 443
87 244
88 80
89 14
90 1

List of values

[1, 3, 1, 5, 4, 1, 7, 8, 5, 1, 9, 12, 12, 6, 1, 11, 16, 20, 17, 7, 1, 13, 20, 28, 32, 23, 8, 1, 15, 24, 36, 48, 49, 30, 9, 1, 17, 28, 44, 64, 80, 72, 38, 10, 1, 19, 32, 52, 80, 112, 129, 102, 47, 11, 1, 21, 36, 60, 96, 144, 192, 201, 140, 57, 12, 1, 23, 40, 68, 112, 176, 256, 321, 303, 187, 68, 13, 1, 25, 44, 76, 128, 208, 320, 448, 522, 443, 244, 80, 14, 1]