A298609 - cp's OEIS frontend

A298609 Polynomials related to the Motzkin sums for Coxeter type D, T(n, k) for n >= 0 and 0 <= k <= n.

n	a(n)
0	0
1	0
2	0
3	0
4	1
5	0
6	2
7	0
8	2
9	0
10	0
11	9
12	0
13	3
14	0
15	8
16	0
17	24
18	0
19	4
20	0
21	0
22	50
23	0
24	50
25	0
26	5
27	0
28	30
29	0
30	180
31	0
32	90
33	0
34	6
35	0
36	0
37	245
38	0
39	490
40	0
41	147
42	0
43	7
44	0
45	112
46	0
47	1120
48	0
49	1120
50	0
51	224
52	0
53	8
54	0
55	0
56	1134
57	0
58	3780
59	0
60	2268
61	0
62	324
63	0
64	9
65	0
66	420
67	0
68	6300
69	0
70	10500
71	0
72	4200
73	0
74	450
75	0
76	10
77	0

[0, 0, 0, 0, 1, 0, 2, 0, 2, 0, 0, 9, 0, 3, 0, 8, 0, 24, 0, 4, 0, 0, 50, 0, 50, 0, 5, 0, 30, 0, 180, 0, 90, 0, 6, 0, 0, 245, 0, 490, 0, 147, 0, 7, 0, 112, 0, 1120, 0, 1120, 0, 224, 0, 8, 0, 0, 1134, 0, 3780, 0, 2268, 0, 324, 0, 9, 0, 420, 0, 6300, 0, 10500, 0, 4200, 0, 450, 0, 10, 0]

cp's OEIS Frontend

A298609 Polynomials related to the Motzkin sums for Coxeter type D, T(n, k) for n >= 0 and 0 <= k <= n.

Table of values

List of values