A381311 - cp's OEIS frontend

A381311 Numbers whose powerful part (A057521) is a power of a prime with an even exponent >= 2.

n	a(n)
1	4
2	9
3	12
4	16
5	18
6	20
7	25
8	28
9	44
10	45
11	48
12	49
13	50
14	52
15	60
16	63
17	64
18	68
19	75
20	76
21	80
22	81
23	84
24	90
25	92
26	98
27	99
28	112
29	116
30	117
31	121
32	124
33	126
34	132
35	140
36	147
37	148
38	150
39	153
40	156
41	162
42	164
43	169
44	171
45	172
46	175
47	176
48	188
49	192
50	198
51	204
52	207
53	208
54	212
55	220
56	228
57	234
58	236

[4, 9, 12, 16, 18, 20, 25, 28, 44, 45, 48, 49, 50, 52, 60, 63, 64, 68, 75, 76, 80, 81, 84, 90, 92, 98, 99, 112, 116, 117, 121, 124, 126, 132, 140, 147, 148, 150, 153, 156, 162, 164, 169, 171, 172, 175, 176, 188, 192, 198, 204, 207, 208, 212, 220, 228, 234, 236]

cp's OEIS Frontend

A381311 Numbers whose powerful part (A057521) is a power of a prime with an even exponent >= 2.

Table of values

List of values

n	a(n)
1	4
2	9
3	12
4	16
5	18
6	20
7	25
8	28
9	44
10	45
11	48
12	49
13	50
14	52
15	60
16	63
17	64
18	68
19	75
20	76
21	80
22	81
23	84
24	90
25	92
26	98
27	99
28	112
29	116
30	117
31	121
32	124
33	126
34	132
35	140
36	147
37	148
38	150
39	153
40	156
41	162
42	164
43	169
44	171
45	172
46	175
47	176
48	188
49	192
50	198
51	204
52	207
53	208
54	212
55	220
56	228
57	234
58	236

n	a(n)
1	4
2	9
3	12
4	16
5	18
6	20
7	25
8	28
9	44
10	45
11	48
12	49
13	50
14	52
15	60
16	63
17	64
18	68
19	75
20	76
21	80
22	81
23	84
24	90
25	92
26	98
27	99
28	112
29	116
30	117
31	121
32	124
33	126
34	132
35	140
36	147
37	148
38	150
39	153
40	156
41	162
42	164
43	169
44	171
45	172
46	175
47	176
48	188
49	192
50	198
51	204
52	207
53	208
54	212
55	220
56	228
57	234
58	236

n	a(n)
1	4
2	9
3	12
4	16
5	18
6	20
7	25
8	28
9	44
10	45
11	48
12	49
13	50
14	52
15	60
16	63
17	64
18	68
19	75
20	76
21	80
22	81
23	84
24	90
25	92
26	98
27	99
28	112
29	116
30	117
31	121
32	124
33	126
34	132
35	140
36	147
37	148
38	150
39	153
40	156
41	162
42	164
43	169
44	171
45	172
46	175
47	176
48	188
49	192
50	198
51	204
52	207
53	208
54	212
55	220
56	228
57	234
58	236