A320637 - cp's OEIS frontend

A320637 Regular triangle read by rows: T(n,k) = Lcm_{m=k..n} d(n,k) where d(n,k) is the denominator of the unsigned Stirling1(n,k)*k!/n! for 0 <= k <= n.

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	1
6	1
7	6
8	1
9	1
10	1
11	12
12	12
13	2
14	1
15	1
16	60
17	12
18	4
19	1
20	1
21	1
22	60
23	180
24	8
25	6
26	2
27	1
28	1
29	420
30	180
31	120
32	6
33	6
34	1
35	1
36	1
37	840
38	5040
39	240
40	240
41	6
42	4
43	2
44	1
45	1
46	2520
47	5040
48	15120
49	240
50	144
51	4
52	12
53	1
54	1
55	1
56	2520
57	25200
58	30240
59	15120
60	288
61	240
62	24
63	3
64	2
65	1

[1, 1, 1, 1, 2, 1, 1, 6, 1, 1, 1, 12, 12, 2, 1, 1, 60, 12, 4, 1, 1, 1, 60, 180, 8, 6, 2, 1, 1, 420, 180, 120, 6, 6, 1, 1, 1, 840, 5040, 240, 240, 6, 4, 2, 1, 1, 2520, 5040, 15120, 240, 144, 4, 12, 1, 1, 1, 2520, 25200, 30240, 15120, 288, 240, 24, 3, 2, 1]

cp's OEIS Frontend

A320637 Regular triangle read by rows: T(n,k) = Lcm_{m=k..n} d(n,k) where d(n,k) is the denominator of the unsigned Stirling1(n,k)*k!/n! for 0 <= k <= n.

Table of values

List of values