A289691 - cp's OEIS frontend

A289691 List of composite numbers n such that the prime decomposition of n contains an initial product of prime powers greater than a later prime, but in which no proper divisor of n is in the sequence.

n	a(n)
1	12
2	30
3	40
4	45
5	56
6	63
7	70
8	105
9	154
10	165
11	175
12	176
13	182
14	195
15	198
16	208
17	220
18	231
19	234
20	260
21	273
22	275
23	286
24	297
25	306
26	325
27	340
28	351
29	357
30	374
31	380
32	385
33	399
34	418
35	425

[12, 30, 40, 45, 56, 63, 70, 105, 154, 165, 175, 176, 182, 195, 198, 208, 220, 231, 234, 260, 273, 275, 286, 297, 306, 325, 340, 351, 357, 374, 380, 385, 399, 418, 425]

cp's OEIS Frontend

A289691 List of composite numbers n such that the prime decomposition of n contains an initial product of prime powers greater than a later prime, but in which no proper divisor of n is in the sequence.

Table of values

List of values

n	a(n)
1	12
2	30
3	40
4	45
5	56
6	63
7	70
8	105
9	154
10	165
11	175
12	176
13	182
14	195
15	198
16	208
17	220
18	231
19	234
20	260
21	273
22	275
23	286
24	297
25	306
26	325
27	340
28	351
29	357
30	374
31	380
32	385
33	399
34	418
35	425

n	a(n)
1	12
2	30
3	40
4	45
5	56
6	63
7	70
8	105
9	154
10	165
11	175
12	176
13	182
14	195
15	198
16	208
17	220
18	231
19	234
20	260
21	273
22	275
23	286
24	297
25	306
26	325
27	340
28	351
29	357
30	374
31	380
32	385
33	399
34	418
35	425

n	a(n)
1	12
2	30
3	40
4	45
5	56
6	63
7	70
8	105
9	154
10	165
11	175
12	176
13	182
14	195
15	198
16	208
17	220
18	231
19	234
20	260
21	273
22	275
23	286
24	297
25	306
26	325
27	340
28	351
29	357
30	374
31	380
32	385
33	399
34	418
35	425