A336285 - cp's OEIS frontend

A336285 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	7
7	6
8	8
9	9
10	10
11	11
12	12
13	13
14	14
15	15
16	16
17	18
18	17
19	19
20	20
21	21
22	22
23	23
24	24
25	25
26	26
27	27
28	29
29	28
30	30
31	31
32	32
33	33
34	34
35	35
36	36
37	37
38	38
39	40
40	39
41	41
42	42
43	43
44	44
45	45
46	46
47	47
48	48
49	49
50	53
51	50
52	52
53	51
54	54
55	55
56	65
57	58
58	62
59	61
60	59
61	64
62	56
63	67
64	57
65	63
66	60
67	66
68	68
69	69
70	70
71	72
72	71
73	74
74	73
75	75
76	77

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

cp's OEIS Frontend

A336285 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	7
7	6
8	8
9	9
10	10
11	11
12	12
13	13
14	14
15	15
16	16
17	18
18	17
19	19
20	20
21	21
22	22
23	23
24	24
25	25
26	26
27	27
28	29
29	28
30	30
31	31
32	32
33	33
34	34
35	35
36	36
37	37
38	38
39	40
40	39
41	41
42	42
43	43
44	44
45	45
46	46
47	47
48	48
49	49
50	53
51	50
52	52
53	51
54	54
55	55
56	65
57	58
58	62
59	61
60	59
61	64
62	56
63	67
64	57
65	63
66	60
67	66
68	68
69	69
70	70
71	72
72	71
73	74
74	73
75	75
76	77

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

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