A094315 - cp's OEIS frontend

A094315 Triangle read by rows giving number of circular permutations of n letters such that all letters are displaced by no more than k places from their original position.

n	a(n)
0	1
1	0
2	1
3	0
4	0
5	2
6	0
7	0
8	0
9	6
10	1
11	0
12	6
13	8
14	9
15	2
16	15
17	20
18	40
19	30
20	13
21	20
22	72
23	180
24	176
25	180
26	72
27	20
28	144
29	609
30	1106
31	1421
32	980
33	595
34	154
35	31
36	1265
37	4960
38	9292
39	10352
40	8326
41	4096
42	1676
43	304
44	49

[1, 0, 1, 0, 0, 2, 0, 0, 0, 6, 1, 0, 6, 8, 9, 2, 15, 20, 40, 30, 13, 20, 72, 180, 176, 180, 72, 20, 144, 609, 1106, 1421, 980, 595, 154, 31, 1265, 4960, 9292, 10352, 8326, 4096, 1676, 304, 49]

cp's OEIS Frontend

A094315 Triangle read by rows giving number of circular permutations of n letters such that all letters are displaced by no more than k places from their original position.

Table of values

List of values