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.

A064797 Largest integer m such that every permutation (p_1, ..., p_n) of (1, ..., n) satisfies lcm(p_i, p_{i+1}) >= m for some i, 1 <= i <= n, where p_{n+1} = p_1.

Table of values

n a(n)
1 1
2 2
3 6
4 6
5 12
6 12
7 15
8 15
9 18
10 18
11 24
12 24
13 35
14 35
15 35
16 35
17 44
18 44
19 55
20 55
21 55
22 55
23 68
24 68
25 68
26 68
27 68
28 68
29 85
30 85
31 102
32 102
33 102
34 102
35 102
36 102
37 119
38 119
39 119
40 119
41 145
42 145
43 174
44 174
45 174
46 174
47 203
48 203
49 203
50 203
51 203
52 203
53 232
54 232
55 232
56 232
57 232
58 232
59 261
60 261

List of values

[1, 2, 6, 6, 12, 12, 15, 15, 18, 18, 24, 24, 35, 35, 35, 35, 44, 44, 55, 55, 55, 55, 68, 68, 68, 68, 68, 68, 85, 85, 102, 102, 102, 102, 102, 102, 119, 119, 119, 119, 145, 145, 174, 174, 174, 174, 203, 203, 203, 203, 203, 203, 232, 232, 232, 232, 232, 232, 261, 261]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.