A322398 - cp's OEIS frontend

A322398 Triangle of the coefficients of Touchard's chord enumerating polynomials, [x^k] S(n,x), 0 <= k <= n*(n-1)/2.

n	a(n)
1	1
2	1
3	1
4	2
5	4
6	3
7	1
8	5
9	15
10	21
11	18
12	10
13	4
14	1
15	14
16	56
17	112
18	148
19	143
20	109
21	68
22	35
23	15
24	5
25	1
26	42
27	210
28	540
29	945
30	1255
31	1353
32	1236
33	984
34	696
35	441
36	250
37	126
38	56
39	21
40	6
41	1
42	132
43	792
44	2475
45	5335
46	8866
47	12112
48	14182
49	14654
50	13646
51	11619
52	9131
53	6662
54	4529
55	2870
56	1691
57	922
58	462
59	210
60	84
61	28
62	7
63	1
64	429
65	3003

[1, 1, 1, 2, 4, 3, 1, 5, 15, 21, 18, 10, 4, 1, 14, 56, 112, 148, 143, 109, 68, 35, 15, 5, 1, 42, 210, 540, 945, 1255, 1353, 1236, 984, 696, 441, 250, 126, 56, 21, 6, 1, 132, 792, 2475, 5335, 8866, 12112, 14182, 14654, 13646, 11619, 9131, 6662, 4529, 2870, 1691, 922, 462, 210, 84, 28, 7, 1, 429, 3003]

cp's OEIS Frontend

A322398 Triangle of the coefficients of Touchard's chord enumerating polynomials, [x^k] S(n,x), 0 <= k <= n*(n-1)/2.

Table of values

List of values