A360859 - cp's OEIS frontend

A360859 Triangle read by rows. T(n, k) = binomial(n, ceil(k/2)) * binomial(n, floor(k/2)).

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	4
6	1
7	3
8	9
9	9
10	1
11	4
12	16
13	24
14	36
15	1
16	5
17	25
18	50
19	100
20	100
21	1
22	6
23	36
24	90
25	225
26	300
27	400
28	1
29	7
30	49
31	147
32	441
33	735
34	1225
35	1225
36	1
37	8
38	64
39	224
40	784
41	1568
42	3136
43	3920
44	4900
45	1
46	9
47	81
48	324
49	1296
50	3024
51	7056
52	10584
53	15876
54	15876
55	1
56	10
57	100
58	450
59	2025
60	5400
61	14400
62	25200
63	44100
64	52920
65	63504

[1, 1, 1, 1, 2, 4, 1, 3, 9, 9, 1, 4, 16, 24, 36, 1, 5, 25, 50, 100, 100, 1, 6, 36, 90, 225, 300, 400, 1, 7, 49, 147, 441, 735, 1225, 1225, 1, 8, 64, 224, 784, 1568, 3136, 3920, 4900, 1, 9, 81, 324, 1296, 3024, 7056, 10584, 15876, 15876, 1, 10, 100, 450, 2025, 5400, 14400, 25200, 44100, 52920, 63504]

cp's OEIS Frontend

A360859 Triangle read by rows. T(n, k) = binomial(n, ceil(k/2)) * binomial(n, floor(k/2)).

Table of values

List of values