A128592 - cp's OEIS frontend

A128592 Triangle, read by rows, of coefficients of q^(nk+k) in the q-analog of the odd double factorials: T(n,k) = [q^(nk+k)] Product_{j=1..n+1} (1-q^(2j-1))/(1-q) for n>0, with T(0,0)=1.

n	a(n)
0	1
1	1
2	1
3	1
4	3
5	1
6	1
7	12
8	12
9	1
10	1
11	45
12	97
13	45
14	1
15	1
16	170
17	696
18	696
19	170
20	1
21	1
22	644
23	4784
24	8447
25	4784
26	644
27	1
28	1
29	2451
30	32230
31	92003
32	92003
33	32230
34	2451
35	1
36	1
37	9365
38	214978
39	946330
40	1487477
41	946330
42	214978
43	9365
44	1
45	1
46	35908
47	1426566
48	9417798
49	21856230
50	21856230

[1, 1, 1, 1, 3, 1, 1, 12, 12, 1, 1, 45, 97, 45, 1, 1, 170, 696, 696, 170, 1, 1, 644, 4784, 8447, 4784, 644, 1, 1, 2451, 32230, 92003, 92003, 32230, 2451, 1, 1, 9365, 214978, 946330, 1487477, 946330, 214978, 9365, 1, 1, 35908, 1426566, 9417798, 21856230, 21856230]

cp's OEIS Frontend

A128592 Triangle, read by rows, of coefficients of q^(nk+k) in the q-analog of the odd double factorials: T(n,k) = [q^(nk+k)] Product_{j=1..n+1} (1-q^(2j-1))/(1-q) for n>0, with T(0,0)=1.

Table of values

List of values