A066843 - cp's OEIS frontend

A066843 a(n) = Product_{k=1..n} d(k); d(k) = A000005(k) is the number of positive divisors of k.

n	a(n)
0	1
1	1
2	2
3	4
4	12
5	24
6	96
7	192
8	768
9	2304
10	9216
11	18432
12	110592
13	221184
14	884736
15	3538944
16	17694720
17	35389440
18	212336640
19	424673280
20	2548039680
21	10192158720
22	40768634880
23	81537269760
24	652298158080
25	1956894474240
26	7827577896960
27	31310311587840
28	187861869527040

[1, 1, 2, 4, 12, 24, 96, 192, 768, 2304, 9216, 18432, 110592, 221184, 884736, 3538944, 17694720, 35389440, 212336640, 424673280, 2548039680, 10192158720, 40768634880, 81537269760, 652298158080, 1956894474240, 7827577896960, 31310311587840, 187861869527040]

cp's OEIS Frontend

A066843 a(n) = Product_{k=1..n} d(k); d(k) = A000005(k) is the number of positive divisors of k.

Table of values

List of values