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.

A220901 Triangle read by rows: k-th "a-number" of star graph K_{1,n-1}.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 1
5 2
6 1
7 3
8 2
9 1
10 4
11 8
12 1
13 5
14 20
15 16
16 1
17 6
18 40
19 96
20 1
21 7
22 70
23 336
24 272
25 1
26 8
27 112
28 896
29 2176
30 1
31 9
32 168
33 2016
34 9792
35 7936
36 1
37 10
38 240
39 4032
40 32640
41 79360
42 1
43 11
44 330
45 7392
46 89760
47 436480
48 353792
49 1
50 12
51 440
52 12672
53 215424
54 1745920
55 4245504

List of values

[1, 1, 1, 1, 1, 2, 1, 3, 2, 1, 4, 8, 1, 5, 20, 16, 1, 6, 40, 96, 1, 7, 70, 336, 272, 1, 8, 112, 896, 2176, 1, 9, 168, 2016, 9792, 7936, 1, 10, 240, 4032, 32640, 79360, 1, 11, 330, 7392, 89760, 436480, 353792, 1, 12, 440, 12672, 215424, 1745920, 4245504]