A334809 - cp's OEIS frontend

A334809 a(n) = Product_{d|n} lcm(sigma(d), pod(d)) where sigma(k) is the sum of divisors of k (A000203) and pod(k) is the product of divisors of k (A007955).

n	a(n)
1	1
2	6
3	12
4	336
5	30
6	2592
7	56
8	322560
9	4212
10	162000
11	132
12	1755758592
13	182
14	395136
15	648000
16	10239344640
17	306
18	68976790272
19	380
20	1524096000000
21	9483264
22	3449952
23	552
24	2796089100573081600
25	116250
26	15502032
27	122821920
28	485745426432
29	870
30	102036672000000000
31	992

[1, 6, 12, 336, 30, 2592, 56, 322560, 4212, 162000, 132, 1755758592, 182, 395136, 648000, 10239344640, 306, 68976790272, 380, 1524096000000, 9483264, 3449952, 552, 2796089100573081600, 116250, 15502032, 122821920, 485745426432, 870, 102036672000000000, 992]

cp's OEIS Frontend

A334809 a(n) = Product_{d|n} lcm(sigma(d), pod(d)) where sigma(k) is the sum of divisors of k (A000203) and pod(k) is the product of divisors of k (A007955).

Table of values

List of values