A158930 - cp's OEIS frontend

A158930 a(n) is the smallest integer not yet in the sequence with no common base-5 digit with a(n-1).

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	12
7	6
8	10
9	8
10	14
11	15
12	7
13	18
14	9
15	13
16	20
17	11
18	19
19	25
20	17
21	21
22	50
23	16
24	22
25	26
26	23
27	27
28	24
29	28
30	62
31	29
32	63
33	30
34	64
35	31
36	52
37	33
38	54
39	41
40	60
41	34
42	53
43	46
44	65
45	49
46	67
47	45
48	68
49	100
50	32
51	75
52	36
53	78
54	37
55	79
56	56
57	90
58	39
59	93
60	35
61	94
62	51
63	98
64	55
65	99
66	57
67	95
68	61
69	103
70	156
71	69

[1, 2, 3, 4, 5, 12, 6, 10, 8, 14, 15, 7, 18, 9, 13, 20, 11, 19, 25, 17, 21, 50, 16, 22, 26, 23, 27, 24, 28, 62, 29, 63, 30, 64, 31, 52, 33, 54, 41, 60, 34, 53, 46, 65, 49, 67, 45, 68, 100, 32, 75, 36, 78, 37, 79, 56, 90, 39, 93, 35, 94, 51, 98, 55, 99, 57, 95, 61, 103, 156, 69]

cp's OEIS Frontend

A158930 a(n) is the smallest integer not yet in the sequence with no common base-5 digit with a(n-1).

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	12
7	6
8	10
9	8
10	14
11	15
12	7
13	18
14	9
15	13
16	20
17	11
18	19
19	25
20	17
21	21
22	50
23	16
24	22
25	26
26	23
27	27
28	24
29	28
30	62
31	29
32	63
33	30
34	64
35	31
36	52
37	33
38	54
39	41
40	60
41	34
42	53
43	46
44	65
45	49
46	67
47	45
48	68
49	100
50	32
51	75
52	36
53	78
54	37
55	79
56	56
57	90
58	39
59	93
60	35
61	94
62	51
63	98
64	55
65	99
66	57
67	95
68	61
69	103
70	156
71	69

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	12
7	6
8	10
9	8
10	14
11	15
12	7
13	18
14	9
15	13
16	20
17	11
18	19
19	25
20	17
21	21
22	50
23	16
24	22
25	26
26	23
27	27
28	24
29	28
30	62
31	29
32	63
33	30
34	64
35	31
36	52
37	33
38	54
39	41
40	60
41	34
42	53
43	46
44	65
45	49
46	67
47	45
48	68
49	100
50	32
51	75
52	36
53	78
54	37
55	79
56	56
57	90
58	39
59	93
60	35
61	94
62	51
63	98
64	55
65	99
66	57
67	95
68	61
69	103
70	156
71	69

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	12
7	6
8	10
9	8
10	14
11	15
12	7
13	18
14	9
15	13
16	20
17	11
18	19
19	25
20	17
21	21
22	50
23	16
24	22
25	26
26	23
27	27
28	24
29	28
30	62
31	29
32	63
33	30
34	64
35	31
36	52
37	33
38	54
39	41
40	60
41	34
42	53
43	46
44	65
45	49
46	67
47	45
48	68
49	100
50	32
51	75
52	36
53	78
54	37
55	79
56	56
57	90
58	39
59	93
60	35
61	94
62	51
63	98
64	55
65	99
66	57
67	95
68	61
69	103
70	156
71	69