A129534 - cp's OEIS frontend

A129534 Triangle read by rows: T(n,k) = number of permutations p of 1,...,n, with min(|p(i)-p(i-1)|, i=2..n) = k (n>=2, k>=1).

n	a(n)
2	2
3	6
4	22
5	2
6	106
7	14
8	630
9	88
10	2
11	4394
12	614
13	32
14	35078
15	4874
16	366
17	2
18	315258
19	43638
20	3912
21	72
22	3149494
23	435002
24	42808
25	1494
26	2
27	34620010
28	4775184
29	496222
30	25224
31	160
32	415222566
33	57214716
34	6164470
35	393792
36	6054
37	2
38	5395737242
39	742861262
40	82190752
41	6070408
42	160784
43	352

[2, 6, 22, 2, 106, 14, 630, 88, 2, 4394, 614, 32, 35078, 4874, 366, 2, 315258, 43638, 3912, 72, 3149494, 435002, 42808, 1494, 2, 34620010, 4775184, 496222, 25224, 160, 415222566, 57214716, 6164470, 393792, 6054, 2, 5395737242, 742861262, 82190752, 6070408, 160784, 352]

cp's OEIS Frontend

A129534 Triangle read by rows: T(n,k) = number of permutations p of 1,...,n, with min(|p(i)-p(i-1)|, i=2..n) = k (n>=2, k>=1).

Table of values

List of values