A367267 - cp's OEIS frontend

A367267 Triangle read by rows. T(n, k) = binomial(n, k) * binomial(n - 1, k - 1).

n	a(n)
0	1
1	0
2	1
3	0
4	2
5	1
6	0
7	3
8	6
9	1
10	0
11	4
12	18
13	12
14	1
15	0
16	5
17	40
18	60
19	20
20	1
21	0
22	6
23	75
24	200
25	150
26	30
27	1
28	0
29	7
30	126
31	525
32	700
33	315
34	42
35	1
36	0
37	8
38	196
39	1176
40	2450
41	1960
42	588
43	56
44	1
45	0
46	9
47	288
48	2352
49	7056
50	8820
51	4704
52	1008
53	72
54	1
55	0
56	10
57	405
58	4320
59	17640
60	31752
61	26460
62	10080
63	1620
64	90
65	1

[1, 0, 1, 0, 2, 1, 0, 3, 6, 1, 0, 4, 18, 12, 1, 0, 5, 40, 60, 20, 1, 0, 6, 75, 200, 150, 30, 1, 0, 7, 126, 525, 700, 315, 42, 1, 0, 8, 196, 1176, 2450, 1960, 588, 56, 1, 0, 9, 288, 2352, 7056, 8820, 4704, 1008, 72, 1, 0, 10, 405, 4320, 17640, 31752, 26460, 10080, 1620, 90, 1]

cp's OEIS Frontend

A367267 Triangle read by rows. T(n, k) = binomial(n, k) * binomial(n - 1, k - 1).

Table of values

List of values