A064842 - cp's OEIS frontend

A064842 Maximal value of Sum_{i=1..n} (p(i) - p(i+1))^2, where p(n+1) = p(1), as p ranges over all permutations of {1, 2, ..., n}.

n	a(n)
1	0
2	2
3	6
4	18
5	36
6	66
7	106
8	162
9	232
10	322
11	430
12	562
13	716
14	898
15	1106
16	1346
17	1616
18	1922
19	2262
20	2642
21	3060
22	3522
23	4026
24	4578
25	5176
26	5826
27	6526
28	7282
29	8092
30	8962
31	9890
32	10882
33	11936
34	13058
35	14246
36	15506
37	16836
38	18242
39	19722
40	21282
41	22920
42	24642
43	26446
44	28338
45	30316

[0, 2, 6, 18, 36, 66, 106, 162, 232, 322, 430, 562, 716, 898, 1106, 1346, 1616, 1922, 2262, 2642, 3060, 3522, 4026, 4578, 5176, 5826, 6526, 7282, 8092, 8962, 9890, 10882, 11936, 13058, 14246, 15506, 16836, 18242, 19722, 21282, 22920, 24642, 26446, 28338, 30316]

cp's OEIS Frontend

A064842 Maximal value of Sum_{i=1..n} (p(i) - p(i+1))^2, where p(n+1) = p(1), as p ranges over all permutations of {1, 2, ..., n}.

Table of values

List of values