A380570 - cp's OEIS frontend

A380570 Triangle T(n, k) read by rows: Row n gives the coefficients of the even powers in Product_{t=1..n}(2x - (2t - 1))Product_{t=1..n}(2x + (2*t - 1)).

n	a(n)
0	1
1	4
2	-1
3	16
4	-40
5	9
6	64
7	-560
8	1036
9	-225
10	256
11	-5376
12	31584
13	-51664
14	11025
15	1024
16	-42240
17	561792
18	-2764960
19	4228884
20	-893025
21	4096
22	-292864
23	7358208
24	-79036672
25	351475696
26	-515267064
27	108056025
28	16384
29	-1863680
30	78926848
31	-1559683840
32	14763100352
33	-61460460880
34	87512357916

[1, 4, -1, 16, -40, 9, 64, -560, 1036, -225, 256, -5376, 31584, -51664, 11025, 1024, -42240, 561792, -2764960, 4228884, -893025, 4096, -292864, 7358208, -79036672, 351475696, -515267064, 108056025, 16384, -1863680, 78926848, -1559683840, 14763100352, -61460460880, 87512357916]

cp's OEIS Frontend

A380570 Triangle T(n, k) read by rows: Row n gives the coefficients of the even powers in Product_{t=1..n}(2x - (2t - 1))Product_{t=1..n}(2x + (2*t - 1)).

Table of values

List of values

cp's OEIS Frontend

A380570 Triangle T(n, k) read by rows: Row n gives the coefficients of the even powers in Product_{t=1..n}(2*x - (2*t - 1))*Product_{t=1..n}(2*x + (2*t - 1)).

Table of values

List of values

A380570 Triangle T(n, k) read by rows: Row n gives the coefficients of the even powers in Product_{t=1..n}(2x - (2t - 1))Product_{t=1..n}(2x + (2*t - 1)).