A097320 - cp's OEIS frontend

A097320 Numbers with more than one distinct prime factor and, in the ordered (canonical) factorization, the exponent always decreases when read from left to right.

n	a(n)
1	12
2	20
3	24
4	28
5	40
6	44
7	45
8	48
9	52
10	56
11	63
12	68
13	72
14	76
15	80
16	88
17	92
18	96
19	99
20	104
21	112
22	116
23	117
24	124
25	135
26	136
27	144
28	148
29	152
30	153
31	160
32	164
33	171
34	172
35	175
36	176
37	184
38	188
39	189
40	192
41	200
42	207
43	208
44	212
45	224
46	232
47	236
48	244
49	248
50	261
51	268
52	272
53	275
54	279
55	284
56	288

[12, 20, 24, 28, 40, 44, 45, 48, 52, 56, 63, 68, 72, 76, 80, 88, 92, 96, 99, 104, 112, 116, 117, 124, 135, 136, 144, 148, 152, 153, 160, 164, 171, 172, 175, 176, 184, 188, 189, 192, 200, 207, 208, 212, 224, 232, 236, 244, 248, 261, 268, 272, 275, 279, 284, 288]

cp's OEIS Frontend

A097320 Numbers with more than one distinct prime factor and, in the ordered (canonical) factorization, the exponent always decreases when read from left to right.

Table of values

List of values

n	a(n)
1	12
2	20
3	24
4	28
5	40
6	44
7	45
8	48
9	52
10	56
11	63
12	68
13	72
14	76
15	80
16	88
17	92
18	96
19	99
20	104
21	112
22	116
23	117
24	124
25	135
26	136
27	144
28	148
29	152
30	153
31	160
32	164
33	171
34	172
35	175
36	176
37	184
38	188
39	189
40	192
41	200
42	207
43	208
44	212
45	224
46	232
47	236
48	244
49	248
50	261
51	268
52	272
53	275
54	279
55	284
56	288

n	a(n)
1	12
2	20
3	24
4	28
5	40
6	44
7	45
8	48
9	52
10	56
11	63
12	68
13	72
14	76
15	80
16	88
17	92
18	96
19	99
20	104
21	112
22	116
23	117
24	124
25	135
26	136
27	144
28	148
29	152
30	153
31	160
32	164
33	171
34	172
35	175
36	176
37	184
38	188
39	189
40	192
41	200
42	207
43	208
44	212
45	224
46	232
47	236
48	244
49	248
50	261
51	268
52	272
53	275
54	279
55	284
56	288

n	a(n)
1	12
2	20
3	24
4	28
5	40
6	44
7	45
8	48
9	52
10	56
11	63
12	68
13	72
14	76
15	80
16	88
17	92
18	96
19	99
20	104
21	112
22	116
23	117
24	124
25	135
26	136
27	144
28	148
29	152
30	153
31	160
32	164
33	171
34	172
35	175
36	176
37	184
38	188
39	189
40	192
41	200
42	207
43	208
44	212
45	224
46	232
47	236
48	244
49	248
50	261
51	268
52	272
53	275
54	279
55	284
56	288