A355642 - cp's OEIS frontend

A355642 Lexicographically earliest sequence of distinct nonnegative integers such that for any n >= 0, the balanced ternary expansion of n * a(n) contains as many negative trits as positive trits.

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

[0, 2, 1, 6, 4, 12, 3, 8, 7, 16, 13, 14, 5, 10, 11, 26, 9, 24, 23, 28, 20, 22, 21, 18, 17, 32, 15, 46, 19, 30, 29, 40, 25, 42, 34, 48, 36, 38, 37, 44, 31, 52, 33, 54, 39, 58, 27, 74, 35, 56, 55, 68, 41, 70, 43, 50, 49, 64, 45, 66, 60, 72, 63, 62, 57, 76, 59, 80]

cp's OEIS Frontend

A355642 Lexicographically earliest sequence of distinct nonnegative integers such that for any n >= 0, the balanced ternary expansion of n * a(n) contains as many negative trits as positive trits.

Table of values

List of values

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

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

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