A157640 - cp's OEIS frontend

A157640 Triangle of the elementwise product of binomial coefficients with q-binomial coefficients [n,k] for q = 3.

n	a(n)
0	1
1	1
2	1
3	1
4	8
5	1
6	1
7	39
8	39
9	1
10	1
11	160
12	780
13	160
14	1
15	1
16	605
17	12100
18	12100
19	605
20	1
21	1
22	2184
23	165165
24	677600
25	165165
26	2184
27	1
28	1
29	7651
30	2088723
31	32401985
32	32401985
33	2088723
34	7651
35	1
36	1
37	26240
38	25095280
39	1405335680
40	5313925540
41	1405335680
42	25095280

[1, 1, 1, 1, 8, 1, 1, 39, 39, 1, 1, 160, 780, 160, 1, 1, 605, 12100, 12100, 605, 1, 1, 2184, 165165, 677600, 165165, 2184, 1, 1, 7651, 2088723, 32401985, 32401985, 2088723, 7651, 1, 1, 26240, 25095280, 1405335680, 5313925540, 1405335680, 25095280]

cp's OEIS Frontend

A157640 Triangle of the elementwise product of binomial coefficients with q-binomial coefficients [n,k] for q = 3.

Table of values

List of values