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.

A014428 Even elements in Pascal's triangle.

Table of values

n a(n)
1 2
2 4
3 6
4 4
5 10
6 10
7 6
8 20
9 6
10 8
11 28
12 56
13 70
14 56
15 28
16 8
17 36
18 84
19 126
20 126
21 84
22 36
23 10
24 120
25 210
26 252
27 210
28 120
29 10
30 330
31 462
32 462
33 330
34 12
35 66
36 220
37 792
38 924
39 792
40 220
41 66
42 12
43 78
44 286
45 1716
46 1716
47 286
48 78
49 14
50 364
51 2002
52 3432
53 2002
54 364
55 14
56 16
57 120
58 560
59 1820

List of values

[2, 4, 6, 4, 10, 10, 6, 20, 6, 8, 28, 56, 70, 56, 28, 8, 36, 84, 126, 126, 84, 36, 10, 120, 210, 252, 210, 120, 10, 330, 462, 462, 330, 12, 66, 220, 792, 924, 792, 220, 66, 12, 78, 286, 1716, 1716, 286, 78, 14, 364, 2002, 3432, 2002, 364, 14, 16, 120, 560, 1820]