A223170 - cp's OEIS frontend

A223170 Triangle S(n,k) by rows: coefficients of 4^((n-1)/2)(x^(1/4)d/dx)^n when n is odd, and of 4^(n/2)(x^(3/4)d/dx)^n when n is even.

n	a(n)
0	1
1	1
2	4
3	5
4	4
5	5
6	40
7	16
8	45
9	72
10	16
11	45
12	540
13	432
14	64
15	585
16	1404
17	624
18	64
19	585
20	9360
21	11232
22	3328
23	256
24	9945
25	31824
26	21216
27	4352
28	256
29	9945
30	198900
31	318240
32	141440
33	21760
34	1024
35	208845
36	835380
37	742560
38	228480
39	26880
40	1024
41	208845
42	5012280
43	10024560
44	5940480
45	1370880
46	129024
47	4096

[1, 1, 4, 5, 4, 5, 40, 16, 45, 72, 16, 45, 540, 432, 64, 585, 1404, 624, 64, 585, 9360, 11232, 3328, 256, 9945, 31824, 21216, 4352, 256, 9945, 198900, 318240, 141440, 21760, 1024, 208845, 835380, 742560, 228480, 26880, 1024, 208845, 5012280, 10024560, 5940480, 1370880, 129024, 4096]

cp's OEIS Frontend

A223170 Triangle S(n,k) by rows: coefficients of 4^((n-1)/2)(x^(1/4)d/dx)^n when n is odd, and of 4^(n/2)(x^(3/4)d/dx)^n when n is even.

Table of values

List of values

cp's OEIS Frontend

A223170 Triangle S(n,k) by rows: coefficients of 4^((n-1)/2)*(x^(1/4)*d/dx)^n when n is odd, and of 4^(n/2)*(x^(3/4)*d/dx)^n when n is even.

Table of values

List of values

A223170 Triangle S(n,k) by rows: coefficients of 4^((n-1)/2)(x^(1/4)d/dx)^n when n is odd, and of 4^(n/2)(x^(3/4)d/dx)^n when n is even.