A181743 - cp's OEIS frontend

A181743 The exponent k which defines A181741(n) = 2^t-2^k-1.

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

[2, 1, 3, 2, 1, 3, 1, 5, 4, 2, 1, 7, 6, 5, 4, 2, 7, 5, 3, 1, 5, 2, 1, 3, 9, 7, 4, 2, 1, 11, 13, 10, 8, 6, 1, 11, 7, 4, 11, 3, 17, 14, 13, 9, 8, 6, 5, 4, 2, 11, 19, 18, 17, 14, 12, 11, 10, 9, 7, 4, 2, 1, 17, 9, 7, 3, 16, 10, 5, 4, 1, 21, 15, 13, 10, 5, 4, 1, 13, 9, 2]

cp's OEIS Frontend

A181743 The exponent k which defines A181741(n) = 2^t-2^k-1.

Table of values

List of values

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

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

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