A333857 - cp's OEIS frontend

A333857 Positive odd numbers b with an unequal number of odd and even elements of the restricted residue system of the mod* congruence of Brändli and Beyne (numbers b ordered increasingly).

n	a(n)
1	1
2	21
3	33
4	57
5	63
6	69
7	77
8	93
9	99
10	129
11	133
12	141
13	147
14	161
15	171
16	177
17	189
18	201
19	207
20	209
21	213
22	217
23	231
24	237
25	249
26	253
27	279
28	297
29	301
30	309
31	321
32	329
33	341
34	363
35	381
36	387
37	393
38	399
39	413
40	417
41	423
42	437
43	441
44	453
45	469
46	473
47	483
48	489
49	497
50	501
51	513
52	517
53	531
54	537
55	539
56	553
57	567
58	573
59	581
60	589
61	597

[1, 21, 33, 57, 63, 69, 77, 93, 99, 129, 133, 141, 147, 161, 171, 177, 189, 201, 207, 209, 213, 217, 231, 237, 249, 253, 279, 297, 301, 309, 321, 329, 341, 363, 381, 387, 393, 399, 413, 417, 423, 437, 441, 453, 469, 473, 483, 489, 497, 501, 513, 517, 531, 537, 539, 553, 567, 573, 581, 589, 597]

cp's OEIS Frontend

A333857 Positive odd numbers b with an unequal number of odd and even elements of the restricted residue system of the mod* congruence of Brändli and Beyne (numbers b ordered increasingly).

Table of values

List of values

n	a(n)
1	1
2	21
3	33
4	57
5	63
6	69
7	77
8	93
9	99
10	129
11	133
12	141
13	147
14	161
15	171
16	177
17	189
18	201
19	207
20	209
21	213
22	217
23	231
24	237
25	249
26	253
27	279
28	297
29	301
30	309
31	321
32	329
33	341
34	363
35	381
36	387
37	393
38	399
39	413
40	417
41	423
42	437
43	441
44	453
45	469
46	473
47	483
48	489
49	497
50	501
51	513
52	517
53	531
54	537
55	539
56	553
57	567
58	573
59	581
60	589
61	597

n	a(n)
1	1
2	21
3	33
4	57
5	63
6	69
7	77
8	93
9	99
10	129
11	133
12	141
13	147
14	161
15	171
16	177
17	189
18	201
19	207
20	209
21	213
22	217
23	231
24	237
25	249
26	253
27	279
28	297
29	301
30	309
31	321
32	329
33	341
34	363
35	381
36	387
37	393
38	399
39	413
40	417
41	423
42	437
43	441
44	453
45	469
46	473
47	483
48	489
49	497
50	501
51	513
52	517
53	531
54	537
55	539
56	553
57	567
58	573
59	581
60	589
61	597

n	a(n)
1	1
2	21
3	33
4	57
5	63
6	69
7	77
8	93
9	99
10	129
11	133
12	141
13	147
14	161
15	171
16	177
17	189
18	201
19	207
20	209
21	213
22	217
23	231
24	237
25	249
26	253
27	279
28	297
29	301
30	309
31	321
32	329
33	341
34	363
35	381
36	387
37	393
38	399
39	413
40	417
41	423
42	437
43	441
44	453
45	469
46	473
47	483
48	489
49	497
50	501
51	513
52	517
53	531
54	537
55	539
56	553
57	567
58	573
59	581
60	589
61	597