A252849 - cp's OEIS frontend

A252849 Numbers with an even number of square divisors.

n	a(n)
1	4
2	8
3	9
4	12
5	18
6	20
7	24
8	25
9	27
10	28
11	36
12	40
13	44
14	45
15	49
16	50
17	52
18	54
19	56
20	60
21	63
22	64
23	68
24	72
25	75
26	76
27	84
28	88
29	90
30	92
31	98
32	99
33	100
34	104
35	108
36	116
37	117
38	120
39	121
40	124
41	125
42	126
43	128
44	132
45	135
46	136
47	140
48	144
49	147
50	148

[4, 8, 9, 12, 18, 20, 24, 25, 27, 28, 36, 40, 44, 45, 49, 50, 52, 54, 56, 60, 63, 64, 68, 72, 75, 76, 84, 88, 90, 92, 98, 99, 100, 104, 108, 116, 117, 120, 121, 124, 125, 126, 128, 132, 135, 136, 140, 144, 147, 148]

cp's OEIS Frontend

A252849 Numbers with an even number of square divisors.

Table of values

List of values

n	a(n)
1	4
2	8
3	9
4	12
5	18
6	20
7	24
8	25
9	27
10	28
11	36
12	40
13	44
14	45
15	49
16	50
17	52
18	54
19	56
20	60
21	63
22	64
23	68
24	72
25	75
26	76
27	84
28	88
29	90
30	92
31	98
32	99
33	100
34	104
35	108
36	116
37	117
38	120
39	121
40	124
41	125
42	126
43	128
44	132
45	135
46	136
47	140
48	144
49	147
50	148

n	a(n)
1	4
2	8
3	9
4	12
5	18
6	20
7	24
8	25
9	27
10	28
11	36
12	40
13	44
14	45
15	49
16	50
17	52
18	54
19	56
20	60
21	63
22	64
23	68
24	72
25	75
26	76
27	84
28	88
29	90
30	92
31	98
32	99
33	100
34	104
35	108
36	116
37	117
38	120
39	121
40	124
41	125
42	126
43	128
44	132
45	135
46	136
47	140
48	144
49	147
50	148

n	a(n)
1	4
2	8
3	9
4	12
5	18
6	20
7	24
8	25
9	27
10	28
11	36
12	40
13	44
14	45
15	49
16	50
17	52
18	54
19	56
20	60
21	63
22	64
23	68
24	72
25	75
26	76
27	84
28	88
29	90
30	92
31	98
32	99
33	100
34	104
35	108
36	116
37	117
38	120
39	121
40	124
41	125
42	126
43	128
44	132
45	135
46	136
47	140
48	144
49	147
50	148