A018856 - cp's OEIS frontend

A018856 2^a(n) is the smallest power of 2 beginning with n.

n	a(n)
1	0
2	1
3	5
4	2
5	9
6	6
7	46
8	3
9	53
10	10
11	50
12	7
13	17
14	47
15	77
16	4
17	34
18	54
19	84
20	11
21	31
22	51
23	61
24	81
25	8
26	18
27	38
28	48
29	68
30	78
31	98
32	5
33	25
34	35
35	45
36	55
37	75
38	85
39	95
40	12
41	22
42	32
43	42
44	145
45	52
46	62
47	72
48	82
49	92
50	102
51	9
52	19
53	29
54	39
55	142
56	49
57	59
58	162
59	69
60	79
61	89
62	192
63	99
64	6
65	16
66	119
67	26

[0, 1, 5, 2, 9, 6, 46, 3, 53, 10, 50, 7, 17, 47, 77, 4, 34, 54, 84, 11, 31, 51, 61, 81, 8, 18, 38, 48, 68, 78, 98, 5, 25, 35, 45, 55, 75, 85, 95, 12, 22, 32, 42, 145, 52, 62, 72, 82, 92, 102, 9, 19, 29, 39, 142, 49, 59, 162, 69, 79, 89, 192, 99, 6, 16, 119, 26]

cp's OEIS Frontend

A018856 2^a(n) is the smallest power of 2 beginning with n.

Table of values

List of values

n	a(n)
1	0
2	1
3	5
4	2
5	9
6	6
7	46
8	3
9	53
10	10
11	50
12	7
13	17
14	47
15	77
16	4
17	34
18	54
19	84
20	11
21	31
22	51
23	61
24	81
25	8
26	18
27	38
28	48
29	68
30	78
31	98
32	5
33	25
34	35
35	45
36	55
37	75
38	85
39	95
40	12
41	22
42	32
43	42
44	145
45	52
46	62
47	72
48	82
49	92
50	102
51	9
52	19
53	29
54	39
55	142
56	49
57	59
58	162
59	69
60	79
61	89
62	192
63	99
64	6
65	16
66	119
67	26

n	a(n)
1	0
2	1
3	5
4	2
5	9
6	6
7	46
8	3
9	53
10	10
11	50
12	7
13	17
14	47
15	77
16	4
17	34
18	54
19	84
20	11
21	31
22	51
23	61
24	81
25	8
26	18
27	38
28	48
29	68
30	78
31	98
32	5
33	25
34	35
35	45
36	55
37	75
38	85
39	95
40	12
41	22
42	32
43	42
44	145
45	52
46	62
47	72
48	82
49	92
50	102
51	9
52	19
53	29
54	39
55	142
56	49
57	59
58	162
59	69
60	79
61	89
62	192
63	99
64	6
65	16
66	119
67	26

n	a(n)
1	0
2	1
3	5
4	2
5	9
6	6
7	46
8	3
9	53
10	10
11	50
12	7
13	17
14	47
15	77
16	4
17	34
18	54
19	84
20	11
21	31
22	51
23	61
24	81
25	8
26	18
27	38
28	48
29	68
30	78
31	98
32	5
33	25
34	35
35	45
36	55
37	75
38	85
39	95
40	12
41	22
42	32
43	42
44	145
45	52
46	62
47	72
48	82
49	92
50	102
51	9
52	19
53	29
54	39
55	142
56	49
57	59
58	162
59	69
60	79
61	89
62	192
63	99
64	6
65	16
66	119
67	26