A363838 - cp's OEIS frontend

A363838 a(n) = Product_{b=2..n} b^gamma(n, b) where gamma(n, b) = Sum_{i>=1} floor(n/b^i).

n	a(n)
0	1
1	1
2	2
3	6
4	96
5	480
6	17280
7	120960
8	30965760
9	2508226560
10	250822656000
11	2759049216000
12	9535274090496000
13	123958563176448000
14	24295878382583808000
15	5466572636081356800000
16	179128652139113899622400000
17	3045187086364936293580800000
18	53278593263040925392489676800000

[1, 1, 2, 6, 96, 480, 17280, 120960, 30965760, 2508226560, 250822656000, 2759049216000, 9535274090496000, 123958563176448000, 24295878382583808000, 5466572636081356800000, 179128652139113899622400000, 3045187086364936293580800000, 53278593263040925392489676800000]

cp's OEIS Frontend

A363838 a(n) = Product_{b=2..n} b^gamma(n, b) where gamma(n, b) = Sum_{i>=1} floor(n/b^i).

Table of values

List of values