A196529 - cp's OEIS frontend

A196529 Half of greatest common divisor of products of first n prime numbers and first n composite numbers.

n	a(n)
1	1
2	3
3	3
4	3
5	15
6	15
7	105
8	105
9	105
10	105
11	105
12	105
13	1155
14	1155
15	1155
16	15015
17	15015
18	15015
19	15015
20	15015
21	15015
22	255255
23	255255
24	255255
25	4849845
26	4849845
27	4849845
28	4849845
29	4849845
30	4849845
31	111546435
32	111546435
33	111546435
34	111546435
35	111546435
36	111546435

[1, 3, 3, 3, 15, 15, 105, 105, 105, 105, 105, 105, 1155, 1155, 1155, 15015, 15015, 15015, 15015, 15015, 15015, 255255, 255255, 255255, 4849845, 4849845, 4849845, 4849845, 4849845, 4849845, 111546435, 111546435, 111546435, 111546435, 111546435, 111546435]

cp's OEIS Frontend

A196529 Half of greatest common divisor of products of first n prime numbers and first n composite numbers.

Table of values

List of values