A228832 - cp's OEIS frontend

A228832 Triangle defined by T(n,k) = binomial(n*k, k^2), for n>=0, k=0..n, as read by rows.

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	1
6	1
7	3
8	15
9	1
10	1
11	4
12	70
13	220
14	1
15	1
16	5
17	210
18	5005
19	4845
20	1
21	1
22	6
23	495
24	48620
25	735471
26	142506
27	1
28	1
29	7
30	1001
31	293930
32	30421755
33	183579396
34	5245786
35	1
36	1
37	8
38	1820
39	1307504
40	601080390
41	40225345056
42	69668534468
43	231917400
44	1
45	1
46	9
47	3060
48	4686825
49	7307872110
50	3169870830126
51	96926348578605
52	37387265592825
53	11969016345
54	1

[1, 1, 1, 1, 2, 1, 1, 3, 15, 1, 1, 4, 70, 220, 1, 1, 5, 210, 5005, 4845, 1, 1, 6, 495, 48620, 735471, 142506, 1, 1, 7, 1001, 293930, 30421755, 183579396, 5245786, 1, 1, 8, 1820, 1307504, 601080390, 40225345056, 69668534468, 231917400, 1, 1, 9, 3060, 4686825, 7307872110, 3169870830126, 96926348578605, 37387265592825, 11969016345, 1]

cp's OEIS Frontend

A228832 Triangle defined by T(n,k) = binomial(n*k, k^2), for n>=0, k=0..n, as read by rows.

Table of values

List of values