A355639 - cp's OEIS frontend

A355639 a(n) is the least k > 0 such that the balanced ternary expansion of k*n contains as many negative trits as positive trits.

n	a(n)
0	1
1	2
2	1
3	2
4	2
5	4
6	1
7	8
8	1
9	2
10	2
11	14
12	2
13	2
14	4
15	4
16	1
17	8
18	1
19	14
20	1
21	8
22	7
23	2
24	1
25	16
26	1
27	2
28	2
29	8
30	2
31	2
32	1
33	14
34	4
35	2
36	2
37	2
38	7
39	2
40	2
41	4
42	4
43	2
44	10
45	4
46	1
47	4
48	1
49	2
50	8
51	8
52	1
53	8
54	1
55	8
56	1
57	14
58	4
59	4
60	1
61	8
62	1
63	8
64	5
65	2
66	7
67	14
68	2
69	2
70	1
71	2
72	1
73	2
74	1
75	16
76	7
77	2
78	1
79	8
80	1
81	2
82	2
83	8

[1, 2, 1, 2, 2, 4, 1, 8, 1, 2, 2, 14, 2, 2, 4, 4, 1, 8, 1, 14, 1, 8, 7, 2, 1, 16, 1, 2, 2, 8, 2, 2, 1, 14, 4, 2, 2, 2, 7, 2, 2, 4, 4, 2, 10, 4, 1, 4, 1, 2, 8, 8, 1, 8, 1, 8, 1, 14, 4, 4, 1, 8, 1, 8, 5, 2, 7, 14, 2, 2, 1, 2, 1, 2, 1, 16, 7, 2, 1, 8, 1, 2, 2, 8]

cp's OEIS Frontend

A355639 a(n) is the least k > 0 such that the balanced ternary expansion of k*n contains as many negative trits as positive trits.

Table of values

List of values

n	a(n)
0	1
1	2
2	1
3	2
4	2
5	4
6	1
7	8
8	1
9	2
10	2
11	14
12	2
13	2
14	4
15	4
16	1
17	8
18	1
19	14
20	1
21	8
22	7
23	2
24	1
25	16
26	1
27	2
28	2
29	8
30	2
31	2
32	1
33	14
34	4
35	2
36	2
37	2
38	7
39	2
40	2
41	4
42	4
43	2
44	10
45	4
46	1
47	4
48	1
49	2
50	8
51	8
52	1
53	8
54	1
55	8
56	1
57	14
58	4
59	4
60	1
61	8
62	1
63	8
64	5
65	2
66	7
67	14
68	2
69	2
70	1
71	2
72	1
73	2
74	1
75	16
76	7
77	2
78	1
79	8
80	1
81	2
82	2
83	8

n	a(n)
0	1
1	2
2	1
3	2
4	2
5	4
6	1
7	8
8	1
9	2
10	2
11	14
12	2
13	2
14	4
15	4
16	1
17	8
18	1
19	14
20	1
21	8
22	7
23	2
24	1
25	16
26	1
27	2
28	2
29	8
30	2
31	2
32	1
33	14
34	4
35	2
36	2
37	2
38	7
39	2
40	2
41	4
42	4
43	2
44	10
45	4
46	1
47	4
48	1
49	2
50	8
51	8
52	1
53	8
54	1
55	8
56	1
57	14
58	4
59	4
60	1
61	8
62	1
63	8
64	5
65	2
66	7
67	14
68	2
69	2
70	1
71	2
72	1
73	2
74	1
75	16
76	7
77	2
78	1
79	8
80	1
81	2
82	2
83	8

n	a(n)
0	1
1	2
2	1
3	2
4	2
5	4
6	1
7	8
8	1
9	2
10	2
11	14
12	2
13	2
14	4
15	4
16	1
17	8
18	1
19	14
20	1
21	8
22	7
23	2
24	1
25	16
26	1
27	2
28	2
29	8
30	2
31	2
32	1
33	14
34	4
35	2
36	2
37	2
38	7
39	2
40	2
41	4
42	4
43	2
44	10
45	4
46	1
47	4
48	1
49	2
50	8
51	8
52	1
53	8
54	1
55	8
56	1
57	14
58	4
59	4
60	1
61	8
62	1
63	8
64	5
65	2
66	7
67	14
68	2
69	2
70	1
71	2
72	1
73	2
74	1
75	16
76	7
77	2
78	1
79	8
80	1
81	2
82	2
83	8