A033820 - cp's OEIS frontend

A033820 Triangle read by rows: T(k,j) = ((2j+1)/(k+1))binomial(2j,j)binomial(2k-2j,k-j).

n	a(n)
0	1
1	1
2	3
3	2
4	4
5	10
6	5
7	9
8	15
9	35
10	14
11	24
12	36
13	56
14	126
15	42
16	70
17	100
18	140
19	210
20	462
21	132
22	216
23	300
24	400
25	540
26	792
27	1716
28	429
29	693
30	945
31	1225
32	1575
33	2079
34	3003
35	6435
36	1430
37	2288
38	3080
39	3920
40	4900
41	6160
42	8008
43	11440
44	24310
45	4862
46	7722
47	10296
48	12936
49	15876
50	19404

[1, 1, 3, 2, 4, 10, 5, 9, 15, 35, 14, 24, 36, 56, 126, 42, 70, 100, 140, 210, 462, 132, 216, 300, 400, 540, 792, 1716, 429, 693, 945, 1225, 1575, 2079, 3003, 6435, 1430, 2288, 3080, 3920, 4900, 6160, 8008, 11440, 24310, 4862, 7722, 10296, 12936, 15876, 19404]

cp's OEIS Frontend

A033820 Triangle read by rows: T(k,j) = ((2j+1)/(k+1))binomial(2j,j)binomial(2k-2j,k-j).

Table of values

List of values

cp's OEIS Frontend

A033820 Triangle read by rows: T(k,j) = ((2*j+1)/(k+1))*binomial(2*j,j)*binomial(2*k-2*j,k-j).

Table of values

List of values

A033820 Triangle read by rows: T(k,j) = ((2j+1)/(k+1))binomial(2j,j)binomial(2k-2j,k-j).