A330209 - cp's OEIS frontend

A330209 Nonzero coefficients of the polynomials (x + d/dx)^n x^2, in row-major order.

n	a(n)
0	1
1	2
2	1
3	2
4	5
5	1
6	12
7	9
8	1
9	12
10	39
11	14
12	1
13	90
14	95
15	20
16	1
17	90
18	375
19	195
20	27
21	1
22	840
23	1155
24	357
25	35
26	1
27	840
28	4305
29	2940
30	602
31	44
32	1
33	9450
34	16065
35	6552
36	954
37	54
38	1
39	9450
40	57645
41	48825
42	13230
43	1440
44	65
45	1
46	124740
47	252945
48	128205
49	24750
50	2090
51	77
52	1
53	124740
54	883575
55	893970
56	301455
57	43560
58	2937
59	90
60	1

[1, 2, 1, 2, 5, 1, 12, 9, 1, 12, 39, 14, 1, 90, 95, 20, 1, 90, 375, 195, 27, 1, 840, 1155, 357, 35, 1, 840, 4305, 2940, 602, 44, 1, 9450, 16065, 6552, 954, 54, 1, 9450, 57645, 48825, 13230, 1440, 65, 1, 124740, 252945, 128205, 24750, 2090, 77, 1, 124740, 883575, 893970, 301455, 43560, 2937, 90, 1]

cp's OEIS Frontend

A330209 Nonzero coefficients of the polynomials (x + d/dx)^n x^2, in row-major order.

Table of values

List of values