A018858 - cp's OEIS frontend

A018858 3^a(n) is smallest power of 3 beginning with n.

n	a(n)
1	0
2	3
3	1
4	14
5	10
6	8
7	6
8	4
9	2
10	21
11	19
12	17
13	38
14	15
15	13
16	34
17	11
18	32
19	9
20	30
21	7
22	28
23	49
24	5
25	26
26	47
27	3
28	24
29	45
30	66
31	22
32	43
33	108
34	20
35	85
36	41
37	106
38	18
39	83
40	39
41	104
42	60
43	16
44	81
45	37
46	102
47	14
48	123
49	79
50	35
51	100
52	56
53	12
54	77
55	33
56	142
57	98
58	54
59	10
60	75
61	31
62	140
63	96
64	52
65	8
66	117
67	73
68	29
69	138
70	94
71	50
72	6

[0, 3, 1, 14, 10, 8, 6, 4, 2, 21, 19, 17, 38, 15, 13, 34, 11, 32, 9, 30, 7, 28, 49, 5, 26, 47, 3, 24, 45, 66, 22, 43, 108, 20, 85, 41, 106, 18, 83, 39, 104, 60, 16, 81, 37, 102, 14, 123, 79, 35, 100, 56, 12, 77, 33, 142, 98, 54, 10, 75, 31, 140, 96, 52, 8, 117, 73, 29, 138, 94, 50, 6]

cp's OEIS Frontend

A018858 3^a(n) is smallest power of 3 beginning with n.

Table of values

List of values

n	a(n)
1	0
2	3
3	1
4	14
5	10
6	8
7	6
8	4
9	2
10	21
11	19
12	17
13	38
14	15
15	13
16	34
17	11
18	32
19	9
20	30
21	7
22	28
23	49
24	5
25	26
26	47
27	3
28	24
29	45
30	66
31	22
32	43
33	108
34	20
35	85
36	41
37	106
38	18
39	83
40	39
41	104
42	60
43	16
44	81
45	37
46	102
47	14
48	123
49	79
50	35
51	100
52	56
53	12
54	77
55	33
56	142
57	98
58	54
59	10
60	75
61	31
62	140
63	96
64	52
65	8
66	117
67	73
68	29
69	138
70	94
71	50
72	6

n	a(n)
1	0
2	3
3	1
4	14
5	10
6	8
7	6
8	4
9	2
10	21
11	19
12	17
13	38
14	15
15	13
16	34
17	11
18	32
19	9
20	30
21	7
22	28
23	49
24	5
25	26
26	47
27	3
28	24
29	45
30	66
31	22
32	43
33	108
34	20
35	85
36	41
37	106
38	18
39	83
40	39
41	104
42	60
43	16
44	81
45	37
46	102
47	14
48	123
49	79
50	35
51	100
52	56
53	12
54	77
55	33
56	142
57	98
58	54
59	10
60	75
61	31
62	140
63	96
64	52
65	8
66	117
67	73
68	29
69	138
70	94
71	50
72	6

n	a(n)
1	0
2	3
3	1
4	14
5	10
6	8
7	6
8	4
9	2
10	21
11	19
12	17
13	38
14	15
15	13
16	34
17	11
18	32
19	9
20	30
21	7
22	28
23	49
24	5
25	26
26	47
27	3
28	24
29	45
30	66
31	22
32	43
33	108
34	20
35	85
36	41
37	106
38	18
39	83
40	39
41	104
42	60
43	16
44	81
45	37
46	102
47	14
48	123
49	79
50	35
51	100
52	56
53	12
54	77
55	33
56	142
57	98
58	54
59	10
60	75
61	31
62	140
63	96
64	52
65	8
66	117
67	73
68	29
69	138
70	94
71	50
72	6