A208520 - cp's OEIS frontend

A208520 Triangle of coefficients of polynomials u(n,x) jointly generated with A208521; see the Formula section.

n	a(n)
1	1
2	1
3	1
4	1
5	3
6	2
7	1
8	6
9	6
10	2
11	1
12	10
13	12
14	10
15	4
16	1
17	15
18	20
19	30
20	20
21	4
22	1
23	21
24	30
25	70
26	60
27	28
28	8
29	1
30	28
31	42
32	140
33	140
34	112
35	56
36	8
37	1
38	36
39	56
40	252
41	280
42	336
43	224
44	72
45	16
46	1
47	45
48	72
49	420
50	504
51	840
52	672
53	360
54	144
55	16
56	1
57	55
58	90
59	660
60	840
61	1848
62	1680
63	1320
64	720
65	176

[1, 1, 1, 1, 3, 2, 1, 6, 6, 2, 1, 10, 12, 10, 4, 1, 15, 20, 30, 20, 4, 1, 21, 30, 70, 60, 28, 8, 1, 28, 42, 140, 140, 112, 56, 8, 1, 36, 56, 252, 280, 336, 224, 72, 16, 1, 45, 72, 420, 504, 840, 672, 360, 144, 16, 1, 55, 90, 660, 840, 1848, 1680, 1320, 720, 176]

cp's OEIS Frontend

A208520 Triangle of coefficients of polynomials u(n,x) jointly generated with A208521; see the Formula section.

Table of values

List of values