A386825 - cp's OEIS frontend

A386825 Triangle read by rows: T(n,k) = 3^(n-k)C(2n,n-k).

n	a(n)
0	1
1	6
2	1
3	54
4	12
5	1
6	540
7	135
8	18
9	1
10	5670
11	1512
12	252
13	24
14	1
15	61236
16	17010
17	3240
18	405
19	30
20	1
21	673596
22	192456
23	40095
24	5940
25	594
26	36
27	1
28	7505784
29	2189187
30	486486
31	81081
32	9828
33	819
34	42
35	1
36	84440070
37	25019280
38	5837832
39	1061424
40	147420
41	15120
42	1080
43	48
44	1
45	956987460
46	287096238

[1, 6, 1, 54, 12, 1, 540, 135, 18, 1, 5670, 1512, 252, 24, 1, 61236, 17010, 3240, 405, 30, 1, 673596, 192456, 40095, 5940, 594, 36, 1, 7505784, 2189187, 486486, 81081, 9828, 819, 42, 1, 84440070, 25019280, 5837832, 1061424, 147420, 15120, 1080, 48, 1, 956987460, 287096238]

cp's OEIS Frontend

A386825 Triangle read by rows: T(n,k) = 3^(n-k)C(2n,n-k).

Table of values

List of values

cp's OEIS Frontend

A386825 Triangle read by rows: T(n,k) = 3^(n-k)*C(2*n,n-k).

Table of values

List of values

A386825 Triangle read by rows: T(n,k) = 3^(n-k)C(2n,n-k).