A156832 - cp's OEIS frontend

A156832 a(n) = the largest divisor of n! such that (sum{k=1 to n} a(k)) is a divisor of n!.

n	a(n)
1	1
2	1
3	1
4	3
5	24
6	90
7	720
8	2520
9	10080
10	120960
11	604800
12	5913600
13	79833600
14	691891200
15	15567552000
16	65383718400
17	1307674368000
18	11115232128000
19	66691392768000
20	1187940433680000
21	79829597143296000
22	3568256278659072000

[1, 1, 1, 3, 24, 90, 720, 2520, 10080, 120960, 604800, 5913600, 79833600, 691891200, 15567552000, 65383718400, 1307674368000, 11115232128000, 66691392768000, 1187940433680000, 79829597143296000, 3568256278659072000]

cp's OEIS Frontend

A156832 a(n) = the largest divisor of n! such that (sum{k=1 to n} a(k)) is a divisor of n!.

Table of values

List of values