A204986 - cp's OEIS frontend

A204986 Least k such that n divides A204985(k), the k-th difference between numbers of the form 2^k.

n	a(n)
1	1
2	1
3	2
4	3
5	7
6	2
7	4
8	6
9	16
10	7
11	46
12	5
13	67
14	4
15	7
16	10
17	29
18	16
19	154
20	12
21	16
22	46
23	56
24	9
25	191
26	67
27	154
28	8
29	379
30	7
31	11
32	15
33	46
34	29
35	67
36	23
37	631
38	154
39	67
40	18
41	191
42	16
43	92
44	57
45	67
46	56
47	254
48	14
49	211
50	191

[1, 1, 2, 3, 7, 2, 4, 6, 16, 7, 46, 5, 67, 4, 7, 10, 29, 16, 154, 12, 16, 46, 56, 9, 191, 67, 154, 8, 379, 7, 11, 15, 46, 29, 67, 23, 631, 154, 67, 18, 191, 16, 92, 57, 67, 56, 254, 14, 211, 191]

cp's OEIS Frontend

A204986 Least k such that n divides A204985(k), the k-th difference between numbers of the form 2^k.

Table of values

List of values

n	a(n)
1	1
2	1
3	2
4	3
5	7
6	2
7	4
8	6
9	16
10	7
11	46
12	5
13	67
14	4
15	7
16	10
17	29
18	16
19	154
20	12
21	16
22	46
23	56
24	9
25	191
26	67
27	154
28	8
29	379
30	7
31	11
32	15
33	46
34	29
35	67
36	23
37	631
38	154
39	67
40	18
41	191
42	16
43	92
44	57
45	67
46	56
47	254
48	14
49	211
50	191

n	a(n)
1	1
2	1
3	2
4	3
5	7
6	2
7	4
8	6
9	16
10	7
11	46
12	5
13	67
14	4
15	7
16	10
17	29
18	16
19	154
20	12
21	16
22	46
23	56
24	9
25	191
26	67
27	154
28	8
29	379
30	7
31	11
32	15
33	46
34	29
35	67
36	23
37	631
38	154
39	67
40	18
41	191
42	16
43	92
44	57
45	67
46	56
47	254
48	14
49	211
50	191

n	a(n)
1	1
2	1
3	2
4	3
5	7
6	2
7	4
8	6
9	16
10	7
11	46
12	5
13	67
14	4
15	7
16	10
17	29
18	16
19	154
20	12
21	16
22	46
23	56
24	9
25	191
26	67
27	154
28	8
29	379
30	7
31	11
32	15
33	46
34	29
35	67
36	23
37	631
38	154
39	67
40	18
41	191
42	16
43	92
44	57
45	67
46	56
47	254
48	14
49	211
50	191