A254309 - cp's OEIS frontend

A254309 Irregular triangular array read by rows: T(n,k) is the least positive primitive root of the n-th prime p=prime(n) raised to successive powers of k (mod p) where 1<=k<=p-1 and gcd(k,p-1)=1.

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

[1, 2, 2, 3, 3, 5, 2, 8, 7, 6, 2, 6, 11, 7, 3, 10, 5, 11, 14, 7, 12, 6, 2, 13, 14, 15, 3, 10, 5, 10, 20, 17, 11, 21, 19, 15, 7, 14, 2, 8, 3, 19, 18, 14, 27, 21, 26, 10, 11, 15, 3, 17, 13, 24, 22, 12, 11, 21, 2, 32, 17, 13, 15, 18, 35, 5, 20, 24, 22, 19]

cp's OEIS Frontend

A254309 Irregular triangular array read by rows: T(n,k) is the least positive primitive root of the n-th prime p=prime(n) raised to successive powers of k (mod p) where 1<=k<=p-1 and gcd(k,p-1)=1.

Table of values

List of values

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

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

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