A355996 - cp's OEIS frontend

A355996 Triangle T(n,k), n >= 1, 1 <= k <= n, read by rows, where T(n,k) = n!/(k! * floor(n/k)!).

n	a(n)
1	1
2	1
3	1
4	1
5	3
6	1
7	1
8	6
9	4
10	1
11	1
12	30
13	20
14	5
15	1
16	1
17	60
18	60
19	30
20	6
21	1
22	1
23	420
24	420
25	210
26	42
27	7
28	1
29	1
30	840
31	3360
32	840
33	336
34	56
35	8
36	1
37	1
38	7560
39	10080
40	7560
41	3024
42	504
43	72
44	9
45	1
46	1
47	15120
48	100800
49	75600
50	15120
51	5040
52	720
53	90
54	10
55	1
56	1
57	166320
58	1108800
59	831600
60	166320
61	55440
62	7920
63	990
64	110
65	11
66	1

[1, 1, 1, 1, 3, 1, 1, 6, 4, 1, 1, 30, 20, 5, 1, 1, 60, 60, 30, 6, 1, 1, 420, 420, 210, 42, 7, 1, 1, 840, 3360, 840, 336, 56, 8, 1, 1, 7560, 10080, 7560, 3024, 504, 72, 9, 1, 1, 15120, 100800, 75600, 15120, 5040, 720, 90, 10, 1, 1, 166320, 1108800, 831600, 166320, 55440, 7920, 990, 110, 11, 1]

cp's OEIS Frontend

A355996 Triangle T(n,k), n >= 1, 1 <= k <= n, read by rows, where T(n,k) = n!/(k! * floor(n/k)!).

Table of values

List of values