A242121 - cp's OEIS frontend

A242121 a(n) = n-th prime modulo 21.

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

[2, 3, 5, 7, 11, 13, 17, 19, 2, 8, 10, 16, 20, 1, 5, 11, 17, 19, 4, 8, 10, 16, 20, 5, 13, 17, 19, 2, 4, 8, 1, 5, 11, 13, 2, 4, 10, 16, 20, 5, 11, 13, 2, 4, 8, 10, 1, 13, 17, 19, 2, 8, 10, 20, 5, 11, 17, 19, 4, 8, 10, 20, 13, 17, 19, 2, 16, 1, 11, 13, 17, 2, 10]

cp's OEIS Frontend

A242121 a(n) = n-th prime modulo 21.

Table of values

List of values

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

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

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