A160497 - cp's OEIS frontend

A160497 Values of pq such that there are only two residue classes (mod pq) of primes r that produce flat cyclotomic polynomial Phi(pqr,x).

n	a(n)
1	15
2	35
3	65
4	77
5	85
6	91
7	95
8	115
9	119
10	133
11	143
12	161
13	185
14	187
15	209
16	215
17	217
18	221
19	235
20	247
21	259
22	265
23	287
24	299
25	319
26	323
27	329
28	335
29	341
30	365
31	371
32	377
33	391
34	403
35	407
36	413
37	415
38	427
39	437
40	451
41	469
42	473
43	481
44	485
45	493
46	511
47	515
48	517
49	527

[15, 35, 65, 77, 85, 91, 95, 115, 119, 133, 143, 161, 185, 187, 209, 215, 217, 221, 235, 247, 259, 265, 287, 299, 319, 323, 329, 335, 341, 365, 371, 377, 391, 403, 407, 413, 415, 427, 437, 451, 469, 473, 481, 485, 493, 511, 515, 517, 527]

cp's OEIS Frontend

A160497 Values of pq such that there are only two residue classes (mod pq) of primes r that produce flat cyclotomic polynomial Phi(pqr,x).

Table of values

List of values

n	a(n)
1	15
2	35
3	65
4	77
5	85
6	91
7	95
8	115
9	119
10	133
11	143
12	161
13	185
14	187
15	209
16	215
17	217
18	221
19	235
20	247
21	259
22	265
23	287
24	299
25	319
26	323
27	329
28	335
29	341
30	365
31	371
32	377
33	391
34	403
35	407
36	413
37	415
38	427
39	437
40	451
41	469
42	473
43	481
44	485
45	493
46	511
47	515
48	517
49	527

n	a(n)
1	15
2	35
3	65
4	77
5	85
6	91
7	95
8	115
9	119
10	133
11	143
12	161
13	185
14	187
15	209
16	215
17	217
18	221
19	235
20	247
21	259
22	265
23	287
24	299
25	319
26	323
27	329
28	335
29	341
30	365
31	371
32	377
33	391
34	403
35	407
36	413
37	415
38	427
39	437
40	451
41	469
42	473
43	481
44	485
45	493
46	511
47	515
48	517
49	527

n	a(n)
1	15
2	35
3	65
4	77
5	85
6	91
7	95
8	115
9	119
10	133
11	143
12	161
13	185
14	187
15	209
16	215
17	217
18	221
19	235
20	247
21	259
22	265
23	287
24	299
25	319
26	323
27	329
28	335
29	341
30	365
31	371
32	377
33	391
34	403
35	407
36	413
37	415
38	427
39	437
40	451
41	469
42	473
43	481
44	485
45	493
46	511
47	515
48	517
49	527