A103371 - cp's OEIS frontend

A103371 Number triangle T(n,k) = C(n,n-k)*C(n+1,n-k).

n	a(n)
0	1
1	2
2	1
3	3
4	6
5	1
6	4
7	18
8	12
9	1
10	5
11	40
12	60
13	20
14	1
15	6
16	75
17	200
18	150
19	30
20	1
21	7
22	126
23	525
24	700
25	315
26	42
27	1
28	8
29	196
30	1176
31	2450
32	1960
33	588
34	56
35	1
36	9
37	288
38	2352
39	7056
40	8820
41	4704
42	1008
43	72
44	1
45	10
46	405
47	4320
48	17640
49	31752
50	26460
51	10080
52	1620
53	90
54	1
55	11
56	550
57	7425
58	39600
59	97020

[1, 2, 1, 3, 6, 1, 4, 18, 12, 1, 5, 40, 60, 20, 1, 6, 75, 200, 150, 30, 1, 7, 126, 525, 700, 315, 42, 1, 8, 196, 1176, 2450, 1960, 588, 56, 1, 9, 288, 2352, 7056, 8820, 4704, 1008, 72, 1, 10, 405, 4320, 17640, 31752, 26460, 10080, 1620, 90, 1, 11, 550, 7425, 39600, 97020]

cp's OEIS Frontend

A103371 Number triangle T(n,k) = C(n,n-k)*C(n+1,n-k).

Table of values

List of values