A128596 - cp's OEIS frontend

A128596 Triangle, read by rows, of coefficients of q^(nk) in the q-analog of the even double factorials: T(n,k) = [q^(nk)] Product_{j=1..n} (1-q^(2j))/(1-q) for n>0, with T(0,0)=1.

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	1
6	1
7	7
8	7
9	1
10	1
11	24
12	46
13	24
14	1
15	1
16	86
17	297
18	297
19	86
20	1
21	1
22	315
23	1919
24	3210
25	1919
26	315
27	1
28	1
29	1170
30	12399
31	32510
32	32510
33	12399
34	1170
35	1
36	1
37	4389
38	80241
39	318171
40	484636
41	318171
42	80241
43	4389
44	1
45	1
46	16588
47	520399
48	3054100
49	6730832
50	6730832

[1, 1, 1, 1, 2, 1, 1, 7, 7, 1, 1, 24, 46, 24, 1, 1, 86, 297, 297, 86, 1, 1, 315, 1919, 3210, 1919, 315, 1, 1, 1170, 12399, 32510, 32510, 12399, 1170, 1, 1, 4389, 80241, 318171, 484636, 318171, 80241, 4389, 1, 1, 16588, 520399, 3054100, 6730832, 6730832]

cp's OEIS Frontend

A128596 Triangle, read by rows, of coefficients of q^(nk) in the q-analog of the even double factorials: T(n,k) = [q^(nk)] Product_{j=1..n} (1-q^(2j))/(1-q) for n>0, with T(0,0)=1.

Table of values

List of values