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.

A296057 Denominators of Harary index for the n-permutation star graph.

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 1
9 11
10 143
11 13
12 13
13 17
14 19
15 323
16 323
17 437
18 437
19 23
20 1
21 667
22 20677
23 899
24 31
25 899
26 33263
27 33263
28 33263
29 47027
30 2022161
31 65231
32 65231
33 3065857
34 3065857
35 3065857
36 3065857
37 4391633
38 4391633
39 4391633
40 4391633
41 6319667
42 385499687
43 8965109
44 8965109

List of values

[1, 1, 1, 1, 1, 1, 1, 1, 11, 143, 13, 13, 17, 19, 323, 323, 437, 437, 23, 1, 667, 20677, 899, 31, 899, 33263, 33263, 33263, 47027, 2022161, 65231, 65231, 3065857, 3065857, 3065857, 3065857, 4391633, 4391633, 4391633, 4391633, 6319667, 385499687, 8965109, 8965109]