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.

A110141 Triangle, read by rows, where row n lists the denominators of unit fraction coefficients of the products of {c_k}, in ascending order by indices of {c_k}, in the coefficient of x^n in exp(Sum_{k>=1} c_k/k*x^k).

Table of values

n a(n)
0 1
1 1
2 2
3 2
4 6
5 2
6 3
7 24
8 4
9 3
10 8
11 4
12 120
13 12
14 6
15 8
16 4
17 6
18 5
19 720
20 48
21 18
22 16
23 8
24 6
25 5
26 48
27 8
28 18
29 6
30 5040
31 240
32 72
33 48
34 24
35 12
36 10
37 48
38 8
39 18
40 6
41 24
42 10
43 12
44 7
45 40320
46 1440
47 360
48 192
49 96
50 36
51 30
52 96
53 16
54 36
55 12
56 24
57 10
58 12
59 7
60 384
61 32
62 36
63 12
64 15
65 32
66 8
67 362880
68 10080
69 2160
70 960

List of values

[1, 1, 2, 2, 6, 2, 3, 24, 4, 3, 8, 4, 120, 12, 6, 8, 4, 6, 5, 720, 48, 18, 16, 8, 6, 5, 48, 8, 18, 6, 5040, 240, 72, 48, 24, 12, 10, 48, 8, 18, 6, 24, 10, 12, 7, 40320, 1440, 360, 192, 96, 36, 30, 96, 16, 36, 12, 24, 10, 12, 7, 384, 32, 36, 12, 15, 32, 8, 362880, 10080, 2160, 960]