A180257 - cp's OEIS frontend

A180257 a(n) = 2^(p*r) mod q for the n-th odd number with exactly three distinct prime factors p < q < r.

n	a(n)
1	2
2	2
3	3
4	1
5	3
6	1
7	2
8	2
9	1
10	2
11	1
12	6
13	3
14	4
15	2
16	1
17	3
18	2
19	2
20	1
21	3
22	7
23	2
24	1
25	8
26	4
27	2
28	10
29	5
30	6
31	1
32	3
33	2
34	1
35	2
36	5
37	1
38	3
39	10
40	7
41	2
42	1
43	2
44	2
45	2
46	8
47	10
48	2
49	4
50	3
51	2
52	1
53	8
54	15
55	2
56	5
57	2
58	7
59	1
60	2
61	10
62	1
63	4
64	6
65	12
66	3
67	8
68	1
69	6
70	2
71	8
72	3
73	8
74	9
75	1
76	11
77	4
78	3
79	1
80	2
81	7
82	2
83	15
84	10
85	8

[2, 2, 3, 1, 3, 1, 2, 2, 1, 2, 1, 6, 3, 4, 2, 1, 3, 2, 2, 1, 3, 7, 2, 1, 8, 4, 2, 10, 5, 6, 1, 3, 2, 1, 2, 5, 1, 3, 10, 7, 2, 1, 2, 2, 2, 8, 10, 2, 4, 3, 2, 1, 8, 15, 2, 5, 2, 7, 1, 2, 10, 1, 4, 6, 12, 3, 8, 1, 6, 2, 8, 3, 8, 9, 1, 11, 4, 3, 1, 2, 7, 2, 15, 10, 8]

cp's OEIS Frontend

A180257 a(n) = 2^(p*r) mod q for the n-th odd number with exactly three distinct prime factors p < q < r.

Table of values

List of values

n	a(n)
1	2
2	2
3	3
4	1
5	3
6	1
7	2
8	2
9	1
10	2
11	1
12	6
13	3
14	4
15	2
16	1
17	3
18	2
19	2
20	1
21	3
22	7
23	2
24	1
25	8
26	4
27	2
28	10
29	5
30	6
31	1
32	3
33	2
34	1
35	2
36	5
37	1
38	3
39	10
40	7
41	2
42	1
43	2
44	2
45	2
46	8
47	10
48	2
49	4
50	3
51	2
52	1
53	8
54	15
55	2
56	5
57	2
58	7
59	1
60	2
61	10
62	1
63	4
64	6
65	12
66	3
67	8
68	1
69	6
70	2
71	8
72	3
73	8
74	9
75	1
76	11
77	4
78	3
79	1
80	2
81	7
82	2
83	15
84	10
85	8

n	a(n)
1	2
2	2
3	3
4	1
5	3
6	1
7	2
8	2
9	1
10	2
11	1
12	6
13	3
14	4
15	2
16	1
17	3
18	2
19	2
20	1
21	3
22	7
23	2
24	1
25	8
26	4
27	2
28	10
29	5
30	6
31	1
32	3
33	2
34	1
35	2
36	5
37	1
38	3
39	10
40	7
41	2
42	1
43	2
44	2
45	2
46	8
47	10
48	2
49	4
50	3
51	2
52	1
53	8
54	15
55	2
56	5
57	2
58	7
59	1
60	2
61	10
62	1
63	4
64	6
65	12
66	3
67	8
68	1
69	6
70	2
71	8
72	3
73	8
74	9
75	1
76	11
77	4
78	3
79	1
80	2
81	7
82	2
83	15
84	10
85	8

n	a(n)
1	2
2	2
3	3
4	1
5	3
6	1
7	2
8	2
9	1
10	2
11	1
12	6
13	3
14	4
15	2
16	1
17	3
18	2
19	2
20	1
21	3
22	7
23	2
24	1
25	8
26	4
27	2
28	10
29	5
30	6
31	1
32	3
33	2
34	1
35	2
36	5
37	1
38	3
39	10
40	7
41	2
42	1
43	2
44	2
45	2
46	8
47	10
48	2
49	4
50	3
51	2
52	1
53	8
54	15
55	2
56	5
57	2
58	7
59	1
60	2
61	10
62	1
63	4
64	6
65	12
66	3
67	8
68	1
69	6
70	2
71	8
72	3
73	8
74	9
75	1
76	11
77	4
78	3
79	1
80	2
81	7
82	2
83	15
84	10
85	8