A349111 - cp's OEIS frontend

A349111 Powerful superabundant numbers: numbers m such that psigma(m)/m > psigma(k)/k for all k < m, where psigma(k) is the sum of powerful divisors of k (A183097).

n	a(n)
1	1
2	4
3	8
4	16
5	32
6	64
7	128
8	144
9	216
10	432
11	864
12	1296
13	1728
14	2592
15	5184
16	10368
17	15552
18	31104
19	54000
20	108000
21	162000
22	216000
23	324000
24	648000
25	1296000
26	1944000
27	3240000
28	3888000
29	6480000
30	9720000
31	19440000
32	38880000
33	58320000
34	74088000
35	111132000
36	222264000
37	444528000
38	666792000

[1, 4, 8, 16, 32, 64, 128, 144, 216, 432, 864, 1296, 1728, 2592, 5184, 10368, 15552, 31104, 54000, 108000, 162000, 216000, 324000, 648000, 1296000, 1944000, 3240000, 3888000, 6480000, 9720000, 19440000, 38880000, 58320000, 74088000, 111132000, 222264000, 444528000, 666792000]

cp's OEIS Frontend

A349111 Powerful superabundant numbers: numbers m such that psigma(m)/m > psigma(k)/k for all k < m, where psigma(k) is the sum of powerful divisors of k (A183097).

Table of values

List of values