A223520 - cp's OEIS frontend

A223520 Triangle T(n,k) represents the coefficients of (x^18*d/dx)^n, where n=1,2,3,....

n	a(n)
1	1
2	18
3	1
4	630
5	54
6	1
7	32760
8	3492
9	108
10	1
11	2260440
12	277200
13	11160
14	180
15	1
16	194397840
17	26376840
18	1259280
19	27180
20	270
21	1
22	20022977520
23	2937589200
24	158601240
25	4140360
26	56070
27	378
28	1
29	2402757302400
30	375471270720
31	22286940480
32	667865520
33	11093040
34	103320
35	504
36	1

[1, 18, 1, 630, 54, 1, 32760, 3492, 108, 1, 2260440, 277200, 11160, 180, 1, 194397840, 26376840, 1259280, 27180, 270, 1, 20022977520, 2937589200, 158601240, 4140360, 56070, 378, 1, 2402757302400, 375471270720, 22286940480, 667865520, 11093040, 103320, 504, 1]

cp's OEIS Frontend

A223520 Triangle T(n,k) represents the coefficients of (x^18*d/dx)^n, where n=1,2,3,....

Table of values

List of values