A338466 - cp's OEIS frontend

A338466 a(0) = 0; for n > 0, a(n) is the least positive integer not occurring earlier such that the digits in a(n-1)*a(n) are all distinct.

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

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

cp's OEIS Frontend

A338466 a(0) = 0; for n > 0, a(n) is the least positive integer not occurring earlier such that the digits in a(n-1)*a(n) are all distinct.

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

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

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