A309735 - cp's OEIS frontend

A309735 a(n) is the least positive integer k such that k^n starts with 2.

n	a(n)
1	2
2	5
3	3
4	4
5	3
6	8
7	3
8	2
9	4
10	7
11	2
12	5
13	9
14	4
15	9
16	6
17	7
18	2
19	4
20	21
21	2
22	5
23	7
24	3
25	5
26	3
27	8
28	2
29	4
30	3
31	2
32	5
33	11
34	4
35	5
36	7
37	8
38	2
39	6
40	23
41	2
42	5
43	6
44	14
45	3
46	16
47	3
48	2
49	3
50	14
51	2
52	4
53	15
54	17
55	5
56	7
57	4
58	2
59	11
60	18
61	2
62	4
63	47
64	14
65	5
66	6
67	4
68	2
69	7
70	3
71	2
72	3
73	13
74	3
75	5
76	15
77	4
78	8
79	6
80	9
81	2
82	4
83	11
84	6
85	5
86	22
87	4

[2, 5, 3, 4, 3, 8, 3, 2, 4, 7, 2, 5, 9, 4, 9, 6, 7, 2, 4, 21, 2, 5, 7, 3, 5, 3, 8, 2, 4, 3, 2, 5, 11, 4, 5, 7, 8, 2, 6, 23, 2, 5, 6, 14, 3, 16, 3, 2, 3, 14, 2, 4, 15, 17, 5, 7, 4, 2, 11, 18, 2, 4, 47, 14, 5, 6, 4, 2, 7, 3, 2, 3, 13, 3, 5, 15, 4, 8, 6, 9, 2, 4, 11, 6, 5, 22, 4]

cp's OEIS Frontend

A309735 a(n) is the least positive integer k such that k^n starts with 2.

Table of values

List of values

n	a(n)
1	2
2	5
3	3
4	4
5	3
6	8
7	3
8	2
9	4
10	7
11	2
12	5
13	9
14	4
15	9
16	6
17	7
18	2
19	4
20	21
21	2
22	5
23	7
24	3
25	5
26	3
27	8
28	2
29	4
30	3
31	2
32	5
33	11
34	4
35	5
36	7
37	8
38	2
39	6
40	23
41	2
42	5
43	6
44	14
45	3
46	16
47	3
48	2
49	3
50	14
51	2
52	4
53	15
54	17
55	5
56	7
57	4
58	2
59	11
60	18
61	2
62	4
63	47
64	14
65	5
66	6
67	4
68	2
69	7
70	3
71	2
72	3
73	13
74	3
75	5
76	15
77	4
78	8
79	6
80	9
81	2
82	4
83	11
84	6
85	5
86	22
87	4

n	a(n)
1	2
2	5
3	3
4	4
5	3
6	8
7	3
8	2
9	4
10	7
11	2
12	5
13	9
14	4
15	9
16	6
17	7
18	2
19	4
20	21
21	2
22	5
23	7
24	3
25	5
26	3
27	8
28	2
29	4
30	3
31	2
32	5
33	11
34	4
35	5
36	7
37	8
38	2
39	6
40	23
41	2
42	5
43	6
44	14
45	3
46	16
47	3
48	2
49	3
50	14
51	2
52	4
53	15
54	17
55	5
56	7
57	4
58	2
59	11
60	18
61	2
62	4
63	47
64	14
65	5
66	6
67	4
68	2
69	7
70	3
71	2
72	3
73	13
74	3
75	5
76	15
77	4
78	8
79	6
80	9
81	2
82	4
83	11
84	6
85	5
86	22
87	4

n	a(n)
1	2
2	5
3	3
4	4
5	3
6	8
7	3
8	2
9	4
10	7
11	2
12	5
13	9
14	4
15	9
16	6
17	7
18	2
19	4
20	21
21	2
22	5
23	7
24	3
25	5
26	3
27	8
28	2
29	4
30	3
31	2
32	5
33	11
34	4
35	5
36	7
37	8
38	2
39	6
40	23
41	2
42	5
43	6
44	14
45	3
46	16
47	3
48	2
49	3
50	14
51	2
52	4
53	15
54	17
55	5
56	7
57	4
58	2
59	11
60	18
61	2
62	4
63	47
64	14
65	5
66	6
67	4
68	2
69	7
70	3
71	2
72	3
73	13
74	3
75	5
76	15
77	4
78	8
79	6
80	9
81	2
82	4
83	11
84	6
85	5
86	22
87	4