A043089 - cp's OEIS frontend

A043089 Every string of 2 consecutive base-3 digits contains exactly 2 distinct numbers.

n	a(n)
0	0
1	1
2	2
3	3
4	5
5	6
6	7
7	10
8	11
9	15
10	16
11	19
12	20
13	21
14	23
15	30
16	32
17	33
18	34
19	46
20	47
21	48
22	50
23	57
24	59
25	60
26	61
27	64
28	65
29	69
30	70
31	91
32	92
33	96
34	97
35	100
36	101
37	102
38	104
39	138
40	140
41	141
42	142
43	145
44	146
45	150
46	151
47	172
48	173
49	177
50	178
51	181
52	182
53	183
54	185
55	192

[0, 1, 2, 3, 5, 6, 7, 10, 11, 15, 16, 19, 20, 21, 23, 30, 32, 33, 34, 46, 47, 48, 50, 57, 59, 60, 61, 64, 65, 69, 70, 91, 92, 96, 97, 100, 101, 102, 104, 138, 140, 141, 142, 145, 146, 150, 151, 172, 173, 177, 178, 181, 182, 183, 185, 192]

cp's OEIS Frontend

A043089 Every string of 2 consecutive base-3 digits contains exactly 2 distinct numbers.

Table of values

List of values

n	a(n)
0	0
1	1
2	2
3	3
4	5
5	6
6	7
7	10
8	11
9	15
10	16
11	19
12	20
13	21
14	23
15	30
16	32
17	33
18	34
19	46
20	47
21	48
22	50
23	57
24	59
25	60
26	61
27	64
28	65
29	69
30	70
31	91
32	92
33	96
34	97
35	100
36	101
37	102
38	104
39	138
40	140
41	141
42	142
43	145
44	146
45	150
46	151
47	172
48	173
49	177
50	178
51	181
52	182
53	183
54	185
55	192

n	a(n)
0	0
1	1
2	2
3	3
4	5
5	6
6	7
7	10
8	11
9	15
10	16
11	19
12	20
13	21
14	23
15	30
16	32
17	33
18	34
19	46
20	47
21	48
22	50
23	57
24	59
25	60
26	61
27	64
28	65
29	69
30	70
31	91
32	92
33	96
34	97
35	100
36	101
37	102
38	104
39	138
40	140
41	141
42	142
43	145
44	146
45	150
46	151
47	172
48	173
49	177
50	178
51	181
52	182
53	183
54	185
55	192

n	a(n)
0	0
1	1
2	2
3	3
4	5
5	6
6	7
7	10
8	11
9	15
10	16
11	19
12	20
13	21
14	23
15	30
16	32
17	33
18	34
19	46
20	47
21	48
22	50
23	57
24	59
25	60
26	61
27	64
28	65
29	69
30	70
31	91
32	92
33	96
34	97
35	100
36	101
37	102
38	104
39	138
40	140
41	141
42	142
43	145
44	146
45	150
46	151
47	172
48	173
49	177
50	178
51	181
52	182
53	183
54	185
55	192