A216963 - cp's OEIS frontend

A216963 Triangle read by rows, arising in enumeration of permutations by cyclic peaks, cycles and fixed points.

n	a(n)
0	1
1	0
2	1
3	1
4	1
5	4
6	5
7	11
8	28
9	5
10	41
11	153
12	71
13	162
14	872
15	759
16	61
17	715
18	5191
19	7262
20	1665
21	3425
22	32398
23	66510
24	29778
25	1385
26	17722
27	211937
28	601080
29	443231
30	60991
31	98253
32	1451599
33	5446847
34	5994473
35	1642877
36	50521
37	580317
38	10393114
39	49940615
40	76889330
41	35162440
42	3249025

[1, 0, 1, 1, 1, 4, 5, 11, 28, 5, 41, 153, 71, 162, 872, 759, 61, 715, 5191, 7262, 1665, 3425, 32398, 66510, 29778, 1385, 17722, 211937, 601080, 443231, 60991, 98253, 1451599, 5446847, 5994473, 1642877, 50521, 580317, 10393114, 49940615, 76889330, 35162440, 3249025]

cp's OEIS Frontend

A216963 Triangle read by rows, arising in enumeration of permutations by cyclic peaks, cycles and fixed points.

Table of values

List of values