A130153 - cp's OEIS frontend

A130153 For each permutation p of {1,2,...,n} define maxabsjump(p) = max(|p(i) - i|, 1<=i<=n); a(n) is the sum of maxabsjumps of all p.

n	a(n)
1	0
2	1
3	8
4	52
5	362
6	2779
7	23749
8	224570
9	2334827
10	26504418
11	326476313
12	4338953453
13	61908434299
14	944065986251
15	15325676747363
16	263910466293264
17	4805394642545408
18	92254524334410750
19	1862526899218400010
20	39449927915059031609
21	874745258339527435041
22	20265180489604116160763

[0, 1, 8, 52, 362, 2779, 23749, 224570, 2334827, 26504418, 326476313, 4338953453, 61908434299, 944065986251, 15325676747363, 263910466293264, 4805394642545408, 92254524334410750, 1862526899218400010, 39449927915059031609, 874745258339527435041, 20265180489604116160763]

cp's OEIS Frontend

A130153 For each permutation p of {1,2,...,n} define maxabsjump(p) = max(|p(i) - i|, 1<=i<=n); a(n) is the sum of maxabsjumps of all p.

Table of values

List of values