A124926 - cp's OEIS frontend

A124926 Triangle read by rows: T(n,k) = binomial(n,k)*r(k), where r(k) are the Riordan numbers (r(k) = A005043(k); 0 <= k <= n).

n	a(n)
0	1
1	1
2	0
3	1
4	0
5	1
6	1
7	0
8	3
9	1
10	1
11	0
12	6
13	4
14	3
15	1
16	0
17	10
18	10
19	15
20	6
21	1
22	0
23	15
24	20
25	45
26	36
27	15
28	1
29	0
30	21
31	35
32	105
33	126
34	105
35	36
36	1
37	0
38	28
39	56
40	210
41	336
42	420
43	288
44	91
45	1
46	0
47	36
48	84
49	378
50	756
51	1260
52	1296
53	819
54	232
55	1
56	0
57	45
58	120
59	630
60	1512
61	3150
62	4320
63	4095
64	2320
65	603

[1, 1, 0, 1, 0, 1, 1, 0, 3, 1, 1, 0, 6, 4, 3, 1, 0, 10, 10, 15, 6, 1, 0, 15, 20, 45, 36, 15, 1, 0, 21, 35, 105, 126, 105, 36, 1, 0, 28, 56, 210, 336, 420, 288, 91, 1, 0, 36, 84, 378, 756, 1260, 1296, 819, 232, 1, 0, 45, 120, 630, 1512, 3150, 4320, 4095, 2320, 603]

cp's OEIS Frontend

A124926 Triangle read by rows: T(n,k) = binomial(n,k)*r(k), where r(k) are the Riordan numbers (r(k) = A005043(k); 0 <= k <= n).

Table of values

List of values