A095698 - cp's OEIS frontend

A095698 Number of permutations of {1,2,3,...,n} where, for 1 < i <= n, the i-th number has maximized sum of the i-1 absolute differences from all previous numbers of the permutation.

n	a(n)
1	1
2	2
3	4
4	6
5	14
6	18
7	46
8	54
9	146
10	162
11	454
12	486
13	1394
14	1458
15	4246
16	4374
17	12866
18	13122
19	38854
20	39366
21	117074
22	118098
23	352246
24	354294
25	1058786
26	1062882
27	3180454
28	3188646
29	9549554
30	9565938
31	28665046
32	28697814
33	86027906
34	86093442
35	258149254

[1, 2, 4, 6, 14, 18, 46, 54, 146, 162, 454, 486, 1394, 1458, 4246, 4374, 12866, 13122, 38854, 39366, 117074, 118098, 352246, 354294, 1058786, 1062882, 3180454, 3188646, 9549554, 9565938, 28665046, 28697814, 86027906, 86093442, 258149254]

cp's OEIS Frontend

A095698 Number of permutations of {1,2,3,...,n} where, for 1 < i <= n, the i-th number has maximized sum of the i-1 absolute differences from all previous numbers of the permutation.

Table of values

List of values