A300951 - cp's OEIS frontend

A300951 a(n) = Product_{j=1..floor(n/2)} p(j) where p(j) = j if j is prime else 1.

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	2
6	6
7	6
8	6
9	6
10	30
11	30
12	30
13	30
14	210
15	210
16	210
17	210
18	210
19	210
20	210
21	210
22	2310
23	2310
24	2310
25	2310
26	30030
27	30030
28	30030
29	30030
30	30030
31	30030
32	30030
33	30030
34	510510
35	510510
36	510510
37	510510
38	9699690
39	9699690
40	9699690
41	9699690
42	9699690
43	9699690
44	9699690

[1, 1, 1, 1, 2, 2, 6, 6, 6, 6, 30, 30, 30, 30, 210, 210, 210, 210, 210, 210, 210, 210, 2310, 2310, 2310, 2310, 30030, 30030, 30030, 30030, 30030, 30030, 30030, 30030, 510510, 510510, 510510, 510510, 9699690, 9699690, 9699690, 9699690, 9699690, 9699690, 9699690]

cp's OEIS Frontend

A300951 a(n) = Product_{j=1..floor(n/2)} p(j) where p(j) = j if j is prime else 1.

Table of values

List of values