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.

A110611 Minimal value of sum(p(i)p(i+1),i=1..n), where p(n+1)=p(1), as p ranges over all permutations of {1,2,...,n}.

Table of values

n a(n)
1 1
2 4
3 11
4 21
5 37
6 58
7 87
8 123
9 169
10 224
11 291
12 369
13 461
14 566
15 687
16 823
17 977
18 1148
19 1339
20 1549
21 1781
22 2034
23 2311
24 2611
25 2937
26 3288
27 3667
28 4073
29 4509
30 4974
31 5471
32 5999
33 6561
34 7156
35 7787
36 8453
37 9157
38 9898
39 10679
40 11499
41 12361
42 13264
43 14211
44 15201
45 16237

List of values

[1, 4, 11, 21, 37, 58, 87, 123, 169, 224, 291, 369, 461, 566, 687, 823, 977, 1148, 1339, 1549, 1781, 2034, 2311, 2611, 2937, 3288, 3667, 4073, 4509, 4974, 5471, 5999, 6561, 7156, 7787, 8453, 9157, 9898, 10679, 11499, 12361, 13264, 14211, 15201, 16237]