A377591 - cp's OEIS frontend

A377591 Powerful numbers k that are not prime powers such that there exist no numbers m such that rad(m) | k and Omega(m) > Omega(k), where rad = A007947 and Omega = A001222.

n	a(n)
1	225
2	675
3	1225
4	2025
5	3025
6	5929
7	6075
8	6125
9	8281
10	8575
11	14161
12	15125
13	18225
14	20449
15	30625
16	34969
17	41503
18	42875
19	43681
20	48841
21	54675
22	57967
23	60025
24	61009
25	64009
26	65219
27	75625
28	89401
29	99127
30	101761
31	104329
32	107653
33	116281
34	142129
35	152881
36	153125
37	162409
38	164025

[225, 675, 1225, 2025, 3025, 5929, 6075, 6125, 8281, 8575, 14161, 15125, 18225, 20449, 30625, 34969, 41503, 42875, 43681, 48841, 54675, 57967, 60025, 61009, 64009, 65219, 75625, 89401, 99127, 101761, 104329, 107653, 116281, 142129, 152881, 153125, 162409, 164025]

cp's OEIS Frontend

A377591 Powerful numbers k that are not prime powers such that there exist no numbers m such that rad(m) | k and Omega(m) > Omega(k), where rad = A007947 and Omega = A001222.

Table of values

List of values