A175496 - cp's OEIS frontend

A175496 Positive integers k where k is not squarefree but the number of divisors of k is a power of 2.

n	a(n)
1	8
2	24
3	27
4	40
5	54
6	56
7	88
8	104
9	120
10	125
11	128
12	135
13	136
14	152
15	168
16	184
17	189
18	216
19	232
20	248
21	250
22	264
23	270
24	280
25	296
26	297
27	312
28	328
29	343
30	344
31	351
32	375
33	376
34	378
35	384
36	408
37	424
38	440
39	456
40	459
41	472
42	488
43	513
44	520
45	536
46	552
47	568
48	584
49	594
50	616
51	621
52	632
53	640

[8, 24, 27, 40, 54, 56, 88, 104, 120, 125, 128, 135, 136, 152, 168, 184, 189, 216, 232, 248, 250, 264, 270, 280, 296, 297, 312, 328, 343, 344, 351, 375, 376, 378, 384, 408, 424, 440, 456, 459, 472, 488, 513, 520, 536, 552, 568, 584, 594, 616, 621, 632, 640]

cp's OEIS Frontend

A175496 Positive integers k where k is not squarefree but the number of divisors of k is a power of 2.

Table of values

List of values

n	a(n)
1	8
2	24
3	27
4	40
5	54
6	56
7	88
8	104
9	120
10	125
11	128
12	135
13	136
14	152
15	168
16	184
17	189
18	216
19	232
20	248
21	250
22	264
23	270
24	280
25	296
26	297
27	312
28	328
29	343
30	344
31	351
32	375
33	376
34	378
35	384
36	408
37	424
38	440
39	456
40	459
41	472
42	488
43	513
44	520
45	536
46	552
47	568
48	584
49	594
50	616
51	621
52	632
53	640

n	a(n)
1	8
2	24
3	27
4	40
5	54
6	56
7	88
8	104
9	120
10	125
11	128
12	135
13	136
14	152
15	168
16	184
17	189
18	216
19	232
20	248
21	250
22	264
23	270
24	280
25	296
26	297
27	312
28	328
29	343
30	344
31	351
32	375
33	376
34	378
35	384
36	408
37	424
38	440
39	456
40	459
41	472
42	488
43	513
44	520
45	536
46	552
47	568
48	584
49	594
50	616
51	621
52	632
53	640

n	a(n)
1	8
2	24
3	27
4	40
5	54
6	56
7	88
8	104
9	120
10	125
11	128
12	135
13	136
14	152
15	168
16	184
17	189
18	216
19	232
20	248
21	250
22	264
23	270
24	280
25	296
26	297
27	312
28	328
29	343
30	344
31	351
32	375
33	376
34	378
35	384
36	408
37	424
38	440
39	456
40	459
41	472
42	488
43	513
44	520
45	536
46	552
47	568
48	584
49	594
50	616
51	621
52	632
53	640