A329929 - cp's OEIS frontend

A329929 a(n) = lcm(tau(n), sigma(n), pod(n)) / gcd(tau(n), sigma(n), pod(n)) where tau(k) is the number of divisors of k (A000005), 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	168
5	30
6	9
7	56
8	960
9	351
10	450
11	132
12	6048
13	182
14	294
15	1800
16	158720
17	306
18	25272
19	380
20	84000
21	14112
22	1089
23	552
24	414720
25	11625
26	7098
27	29160
28	32928
29	870
30	101250
31	992
32	2064384
33	17424
34	15606
35	58800
36	917070336
37	1406
38	5415
39	85176
40	11520000
41	1722
42	777924
43	1892

[1, 6, 12, 168, 30, 9, 56, 960, 351, 450, 132, 6048, 182, 294, 1800, 158720, 306, 25272, 380, 84000, 14112, 1089, 552, 414720, 11625, 7098, 29160, 32928, 870, 101250, 992, 2064384, 17424, 15606, 58800, 917070336, 1406, 5415, 85176, 11520000, 1722, 777924, 1892]

cp's OEIS Frontend

A329929 a(n) = lcm(tau(n), sigma(n), pod(n)) / gcd(tau(n), sigma(n), pod(n)) where tau(k) is the number of divisors of k (A000005), 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