A030335 - cp's OEIS frontend

A030335 a(n)=least k such that base 3 representation of n begins as s(k), where s=A003137.

n	a(n)
1	1
2	2
3	3
4	5
5	1
6	9
7	2
8	8
9	15
10	3
11	21
12	20
13	5
14	6
15	33
16	1
17	7
18	42
19	34
20	9
21	2
22	23
23	11
24	8
25	13
26	40
27	69
28	15
29	77
30	81
31	3
32	89
33	93
34	21
35	101
36	76
37	24
38	20
39	87
40	27
41	5
42	129
43	30
44	6
45	141
46	33
47	47
48	1
49	36
50	31
51	7
52	12
53	39
54	177
55	142
56	42
57	95
58	131
59	34
60	201
61	9
62	48
63	14
64	2
65	51
66	23

[1, 2, 3, 5, 1, 9, 2, 8, 15, 3, 21, 20, 5, 6, 33, 1, 7, 42, 34, 9, 2, 23, 11, 8, 13, 40, 69, 15, 77, 81, 3, 89, 93, 21, 101, 76, 24, 20, 87, 27, 5, 129, 30, 6, 141, 33, 47, 1, 36, 31, 7, 12, 39, 177, 142, 42, 95, 131, 34, 201, 9, 48, 14, 2, 51, 23]

cp's OEIS Frontend

A030335 a(n)=least k such that base 3 representation of n begins as s(k), where s=A003137.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	5
5	1
6	9
7	2
8	8
9	15
10	3
11	21
12	20
13	5
14	6
15	33
16	1
17	7
18	42
19	34
20	9
21	2
22	23
23	11
24	8
25	13
26	40
27	69
28	15
29	77
30	81
31	3
32	89
33	93
34	21
35	101
36	76
37	24
38	20
39	87
40	27
41	5
42	129
43	30
44	6
45	141
46	33
47	47
48	1
49	36
50	31
51	7
52	12
53	39
54	177
55	142
56	42
57	95
58	131
59	34
60	201
61	9
62	48
63	14
64	2
65	51
66	23

n	a(n)
1	1
2	2
3	3
4	5
5	1
6	9
7	2
8	8
9	15
10	3
11	21
12	20
13	5
14	6
15	33
16	1
17	7
18	42
19	34
20	9
21	2
22	23
23	11
24	8
25	13
26	40
27	69
28	15
29	77
30	81
31	3
32	89
33	93
34	21
35	101
36	76
37	24
38	20
39	87
40	27
41	5
42	129
43	30
44	6
45	141
46	33
47	47
48	1
49	36
50	31
51	7
52	12
53	39
54	177
55	142
56	42
57	95
58	131
59	34
60	201
61	9
62	48
63	14
64	2
65	51
66	23

n	a(n)
1	1
2	2
3	3
4	5
5	1
6	9
7	2
8	8
9	15
10	3
11	21
12	20
13	5
14	6
15	33
16	1
17	7
18	42
19	34
20	9
21	2
22	23
23	11
24	8
25	13
26	40
27	69
28	15
29	77
30	81
31	3
32	89
33	93
34	21
35	101
36	76
37	24
38	20
39	87
40	27
41	5
42	129
43	30
44	6
45	141
46	33
47	47
48	1
49	36
50	31
51	7
52	12
53	39
54	177
55	142
56	42
57	95
58	131
59	34
60	201
61	9
62	48
63	14
64	2
65	51
66	23