A138257 - cp's OEIS frontend

A138257 Smallest positive integer m such that n divides [4^m/m] (=A129794(m)).

n	a(n)
1	1
2	1
3	3
4	1
5	7
6	5
7	3
8	2
9	7
10	7
11	6
12	5
13	7
14	13
15	7
16	4
17	5
18	7
19	9
20	7
21	3
22	6
23	10
24	22
25	11
26	7
27	19
28	13
29	15
30	7
31	6
32	4
33	31
34	5
35	13
36	7
37	19
38	20
39	7
40	22
41	11
42	13
43	15
44	31
45	7
46	24
47	10
48	69
49	43
50	11
51	5
52	7
53	44
54	19
55	31
56	26
57	9
58	15
59	42
60	7
61	31
62	6
63	13
64	4
65	7
66	31
67	69
68	5
69	67
70	13
71	124
72	26
73	9
74	19
75	11
76	20
77	31
78	7
79	18
80	69
81	28
82	11
83	126

[1, 1, 3, 1, 7, 5, 3, 2, 7, 7, 6, 5, 7, 13, 7, 4, 5, 7, 9, 7, 3, 6, 10, 22, 11, 7, 19, 13, 15, 7, 6, 4, 31, 5, 13, 7, 19, 20, 7, 22, 11, 13, 15, 31, 7, 24, 10, 69, 43, 11, 5, 7, 44, 19, 31, 26, 9, 15, 42, 7, 31, 6, 13, 4, 7, 31, 69, 5, 67, 13, 124, 26, 9, 19, 11, 20, 31, 7, 18, 69, 28, 11, 126]

cp's OEIS Frontend

A138257 Smallest positive integer m such that n divides [4^m/m] (=A129794(m)).

Table of values

List of values

n	a(n)
1	1
2	1
3	3
4	1
5	7
6	5
7	3
8	2
9	7
10	7
11	6
12	5
13	7
14	13
15	7
16	4
17	5
18	7
19	9
20	7
21	3
22	6
23	10
24	22
25	11
26	7
27	19
28	13
29	15
30	7
31	6
32	4
33	31
34	5
35	13
36	7
37	19
38	20
39	7
40	22
41	11
42	13
43	15
44	31
45	7
46	24
47	10
48	69
49	43
50	11
51	5
52	7
53	44
54	19
55	31
56	26
57	9
58	15
59	42
60	7
61	31
62	6
63	13
64	4
65	7
66	31
67	69
68	5
69	67
70	13
71	124
72	26
73	9
74	19
75	11
76	20
77	31
78	7
79	18
80	69
81	28
82	11
83	126

n	a(n)
1	1
2	1
3	3
4	1
5	7
6	5
7	3
8	2
9	7
10	7
11	6
12	5
13	7
14	13
15	7
16	4
17	5
18	7
19	9
20	7
21	3
22	6
23	10
24	22
25	11
26	7
27	19
28	13
29	15
30	7
31	6
32	4
33	31
34	5
35	13
36	7
37	19
38	20
39	7
40	22
41	11
42	13
43	15
44	31
45	7
46	24
47	10
48	69
49	43
50	11
51	5
52	7
53	44
54	19
55	31
56	26
57	9
58	15
59	42
60	7
61	31
62	6
63	13
64	4
65	7
66	31
67	69
68	5
69	67
70	13
71	124
72	26
73	9
74	19
75	11
76	20
77	31
78	7
79	18
80	69
81	28
82	11
83	126

n	a(n)
1	1
2	1
3	3
4	1
5	7
6	5
7	3
8	2
9	7
10	7
11	6
12	5
13	7
14	13
15	7
16	4
17	5
18	7
19	9
20	7
21	3
22	6
23	10
24	22
25	11
26	7
27	19
28	13
29	15
30	7
31	6
32	4
33	31
34	5
35	13
36	7
37	19
38	20
39	7
40	22
41	11
42	13
43	15
44	31
45	7
46	24
47	10
48	69
49	43
50	11
51	5
52	7
53	44
54	19
55	31
56	26
57	9
58	15
59	42
60	7
61	31
62	6
63	13
64	4
65	7
66	31
67	69
68	5
69	67
70	13
71	124
72	26
73	9
74	19
75	11
76	20
77	31
78	7
79	18
80	69
81	28
82	11
83	126