A223169 - cp's OEIS frontend

A223169 Triangle S(n,k) by rows: coefficients of 3^((n-1)/2)(x^(1/3)d/dx)^n when n is odd, and of 3^(n/2)(x^(2/3)d/dx)^n when n is even.

n	a(n)
0	1
1	1
2	3
3	4
4	3
5	4
6	24
7	9
8	28
9	42
10	9
11	28
12	252
13	189
14	27
15	280
16	630
17	270
18	27
19	280
20	3360
21	3780
22	1080
23	81
24	3640
25	10920
26	7020
27	1404
28	81
29	3640
30	54600
31	81900
32	35100
33	5265
34	243
35	58240
36	218400
37	187200
38	56160
39	6480
40	243
41	58240
42	1048320
43	1965600

[1, 1, 3, 4, 3, 4, 24, 9, 28, 42, 9, 28, 252, 189, 27, 280, 630, 270, 27, 280, 3360, 3780, 1080, 81, 3640, 10920, 7020, 1404, 81, 3640, 54600, 81900, 35100, 5265, 243, 58240, 218400, 187200, 56160, 6480, 243, 58240, 1048320, 1965600]

cp's OEIS Frontend

A223169 Triangle S(n,k) by rows: coefficients of 3^((n-1)/2)(x^(1/3)d/dx)^n when n is odd, and of 3^(n/2)(x^(2/3)d/dx)^n when n is even.

Table of values

List of values

cp's OEIS Frontend

A223169 Triangle S(n,k) by rows: coefficients of 3^((n-1)/2)*(x^(1/3)*d/dx)^n when n is odd, and of 3^(n/2)*(x^(2/3)*d/dx)^n when n is even.

Table of values

List of values

A223169 Triangle S(n,k) by rows: coefficients of 3^((n-1)/2)(x^(1/3)d/dx)^n when n is odd, and of 3^(n/2)(x^(2/3)d/dx)^n when n is even.