A360858 - cp's OEIS frontend

A360858 Triangle read by rows. T(n, k) = binomial(n + 1, ceil(k/2)) * binomial(n, floor(k/2)).

n	a(n)
0	1
1	1
2	2
3	1
4	3
5	6
6	1
7	4
8	12
9	18
10	1
11	5
12	20
13	40
14	60
15	1
16	6
17	30
18	75
19	150
20	200
21	1
22	7
23	42
24	126
25	315
26	525
27	700
28	1
29	8
30	56
31	196
32	588
33	1176
34	1960
35	2450
36	1
37	9
38	72
39	288
40	1008
41	2352
42	4704
43	7056
44	8820
45	1
46	10
47	90
48	405
49	1620
50	4320
51	10080
52	17640
53	26460
54	31752

[1, 1, 2, 1, 3, 6, 1, 4, 12, 18, 1, 5, 20, 40, 60, 1, 6, 30, 75, 150, 200, 1, 7, 42, 126, 315, 525, 700, 1, 8, 56, 196, 588, 1176, 1960, 2450, 1, 9, 72, 288, 1008, 2352, 4704, 7056, 8820, 1, 10, 90, 405, 1620, 4320, 10080, 17640, 26460, 31752]

cp's OEIS Frontend

A360858 Triangle read by rows. T(n, k) = binomial(n + 1, ceil(k/2)) * binomial(n, floor(k/2)).

Table of values

List of values