A043093 - cp's OEIS frontend

A043093 Every string of 2 consecutive base 7 digits contains exactly 2 distinct numbers.

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

[0, 1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14, 15, 17, 18, 19, 20, 21, 22, 23, 25, 26, 27, 28, 29, 30, 31, 33, 34, 35, 36, 37, 38, 39, 41, 42, 43, 44, 45, 46, 47, 50, 51, 52, 53, 54, 55, 63, 64, 66, 67, 68, 69, 70, 71, 72, 74, 75, 76, 77, 78]

cp's OEIS Frontend

A043093 Every string of 2 consecutive base 7 digits contains exactly 2 distinct numbers.

Table of values

List of values

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

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

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