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.

A140219 Denominator of the coefficient [x^1] of the Bernoulli twin number polynomial C(n,x).

Table of values

n a(n)
0 1
1 1
2 2
3 2
4 6
5 6
6 6
7 6
8 10
9 10
10 6
11 6
12 210
13 210
14 2
15 2
16 30
17 30
18 42
19 42
20 110
21 110
22 6
23 6
24 546
25 546
26 2
27 2
28 30
29 30
30 462
31 462
32 170
33 170
34 6
35 6
36 51870
37 51870
38 2
39 2
40 330
41 330
42 42
43 42
44 46
45 46
46 6
47 6
48 6630
49 6630
50 22
51 22
52 30
53 30
54 798
55 798
56 290

List of values

[1, 1, 2, 2, 6, 6, 6, 6, 10, 10, 6, 6, 210, 210, 2, 2, 30, 30, 42, 42, 110, 110, 6, 6, 546, 546, 2, 2, 30, 30, 462, 462, 170, 170, 6, 6, 51870, 51870, 2, 2, 330, 330, 42, 42, 46, 46, 6, 6, 6630, 6630, 22, 22, 30, 30, 798, 798, 290]