A093432 - cp's OEIS frontend

A093432 a(n) = lcm_{k=1..n} (lcm(n,n-1,...,n-k+2,n-k+1)/lcm(1,2,...,k)).

n	a(n)
1	1
2	2
3	3
4	12
5	10
6	30
7	105
8	280
9	252
10	1260
11	2310
12	4620
13	4290
14	6006
15	15015
16	240240
17	680680
18	6126120
19	11639628
20	2771340
21	1763580
22	19399380
23	223092870
24	178474296
25	171609900
26	743642900
27	1434168450
28	20078358300
29	19409079690
30	19409079690
31	300840735195
32	875173047840

[1, 2, 3, 12, 10, 30, 105, 280, 252, 1260, 2310, 4620, 4290, 6006, 15015, 240240, 680680, 6126120, 11639628, 2771340, 1763580, 19399380, 223092870, 178474296, 171609900, 743642900, 1434168450, 20078358300, 19409079690, 19409079690, 300840735195, 875173047840]

cp's OEIS Frontend

A093432 a(n) = lcm_{k=1..n} (lcm(n,n-1,...,n-k+2,n-k+1)/lcm(1,2,...,k)).

Table of values

List of values