A101820 - cp's OEIS frontend

A101820 Triangle read by rows: T(n,h)/(n-1), where T is the array in A101819.

n	a(n)
0	1
1	1
2	3
3	1
4	14
5	12
6	1
7	45
8	150
9	60
10	1
11	124
12	1080
13	1560
14	360
15	1
16	315
17	6020
18	21000
19	16800
20	2520
21	1
22	762
23	28980
24	204120
25	378000
26	191520
27	20160
28	1
29	1785
30	127050
31	1631700
32	5838840
33	6667920
34	2328480
35	181440
36	1
37	4088
38	522480
39	11459280
40	71442000

[1, 1, 3, 1, 14, 12, 1, 45, 150, 60, 1, 124, 1080, 1560, 360, 1, 315, 6020, 21000, 16800, 2520, 1, 762, 28980, 204120, 378000, 191520, 20160, 1, 1785, 127050, 1631700, 5838840, 6667920, 2328480, 181440, 1, 4088, 522480, 11459280, 71442000]

cp's OEIS Frontend

A101820 Triangle read by rows: T(n,h)/(n-1), where T is the array in A101819.

Table of values

List of values