A368101 - cp's OEIS frontend

A368101 Numbers of which there is exactly one way to choose a different prime factor of each prime index.

n	a(n)
1	1
2	3
3	5
4	11
5	15
6	17
7	31
8	33
9	39
10	41
11	51
12	55
13	59
14	65
15	67
16	83
17	85
18	87
19	93
20	109
21	111
22	123
23	127
24	129
25	155
26	157
27	165
28	177
29	179
30	187
31	191
32	201
33	205
34	211
35	213
36	235
37	237
38	241
39	249
40	255
41	267
42	277
43	283
44	295
45	303
46	305
47	319
48	321
49	327
50	331
51	335
52	341
53	353
54	365
55	367
56	381

[1, 3, 5, 11, 15, 17, 31, 33, 39, 41, 51, 55, 59, 65, 67, 83, 85, 87, 93, 109, 111, 123, 127, 129, 155, 157, 165, 177, 179, 187, 191, 201, 205, 211, 213, 235, 237, 241, 249, 255, 267, 277, 283, 295, 303, 305, 319, 321, 327, 331, 335, 341, 353, 365, 367, 381]

cp's OEIS Frontend

A368101 Numbers of which there is exactly one way to choose a different prime factor of each prime index.

Table of values

List of values

n	a(n)
1	1
2	3
3	5
4	11
5	15
6	17
7	31
8	33
9	39
10	41
11	51
12	55
13	59
14	65
15	67
16	83
17	85
18	87
19	93
20	109
21	111
22	123
23	127
24	129
25	155
26	157
27	165
28	177
29	179
30	187
31	191
32	201
33	205
34	211
35	213
36	235
37	237
38	241
39	249
40	255
41	267
42	277
43	283
44	295
45	303
46	305
47	319
48	321
49	327
50	331
51	335
52	341
53	353
54	365
55	367
56	381

n	a(n)
1	1
2	3
3	5
4	11
5	15
6	17
7	31
8	33
9	39
10	41
11	51
12	55
13	59
14	65
15	67
16	83
17	85
18	87
19	93
20	109
21	111
22	123
23	127
24	129
25	155
26	157
27	165
28	177
29	179
30	187
31	191
32	201
33	205
34	211
35	213
36	235
37	237
38	241
39	249
40	255
41	267
42	277
43	283
44	295
45	303
46	305
47	319
48	321
49	327
50	331
51	335
52	341
53	353
54	365
55	367
56	381

n	a(n)
1	1
2	3
3	5
4	11
5	15
6	17
7	31
8	33
9	39
10	41
11	51
12	55
13	59
14	65
15	67
16	83
17	85
18	87
19	93
20	109
21	111
22	123
23	127
24	129
25	155
26	157
27	165
28	177
29	179
30	187
31	191
32	201
33	205
34	211
35	213
36	235
37	237
38	241
39	249
40	255
41	267
42	277
43	283
44	295
45	303
46	305
47	319
48	321
49	327
50	331
51	335
52	341
53	353
54	365
55	367
56	381