A344565 - cp's OEIS frontend

A344565 Triangle read by rows, for 0 <= k <= n: T(n, k) = binomial(n, k) * binomial(binomial(n + 3, 2), 2).

n	a(n)
0	3
1	15
2	15
3	45
4	90
5	45
6	105
7	315
8	315
9	105
10	210
11	840
12	1260
13	840
14	210
15	378
16	1890
17	3780
18	3780
19	1890
20	378
21	630
22	3780
23	9450
24	12600
25	9450
26	3780
27	630
28	990
29	6930
30	20790
31	34650
32	34650
33	20790
34	6930
35	990
36	1485
37	11880
38	41580
39	83160
40	103950
41	83160
42	41580
43	11880
44	1485

[3, 15, 15, 45, 90, 45, 105, 315, 315, 105, 210, 840, 1260, 840, 210, 378, 1890, 3780, 3780, 1890, 378, 630, 3780, 9450, 12600, 9450, 3780, 630, 990, 6930, 20790, 34650, 34650, 20790, 6930, 990, 1485, 11880, 41580, 83160, 103950, 83160, 41580, 11880, 1485]

cp's OEIS Frontend

A344565 Triangle read by rows, for 0 <= k <= n: T(n, k) = binomial(n, k) * binomial(binomial(n + 3, 2), 2).

Table of values

List of values