A368559 - cp's OEIS frontend

A368559 a(1) = 1, a(2) = 2; for n > 2, a(n) is the smallest positive number not occurring earlier such that a(n) contains all the distinct digits of a(n-1) - a(n-2).

n	a(n)
1	1
2	2
3	10
4	8
5	12
6	4
7	18
8	14
9	24
10	100
11	67
12	3
13	46
14	34
15	21
16	13
17	28
18	15
19	31
20	16
21	51
22	35
23	61
24	26
25	53
26	27
27	62
28	135
29	37
30	89
31	25
32	64
33	39
34	52
35	103
36	105
37	20
38	58
39	38
40	102
41	146
42	40
43	106
44	6
45	101
46	59
47	42
48	17
49	125
50	108
51	71
52	73
53	22
54	115
55	93
56	23
57	70
58	47
59	32
60	145
61	113
62	123
63	104
64	19
65	85
66	36
67	49
68	130
69	81
70	94

[1, 2, 10, 8, 12, 4, 18, 14, 24, 100, 67, 3, 46, 34, 21, 13, 28, 15, 31, 16, 51, 35, 61, 26, 53, 27, 62, 135, 37, 89, 25, 64, 39, 52, 103, 105, 20, 58, 38, 102, 146, 40, 106, 6, 101, 59, 42, 17, 125, 108, 71, 73, 22, 115, 93, 23, 70, 47, 32, 145, 113, 123, 104, 19, 85, 36, 49, 130, 81, 94]

cp's OEIS Frontend

A368559 a(1) = 1, a(2) = 2; for n > 2, a(n) is the smallest positive number not occurring earlier such that a(n) contains all the distinct digits of a(n-1) - a(n-2).

Table of values

List of values

n	a(n)
1	1
2	2
3	10
4	8
5	12
6	4
7	18
8	14
9	24
10	100
11	67
12	3
13	46
14	34
15	21
16	13
17	28
18	15
19	31
20	16
21	51
22	35
23	61
24	26
25	53
26	27
27	62
28	135
29	37
30	89
31	25
32	64
33	39
34	52
35	103
36	105
37	20
38	58
39	38
40	102
41	146
42	40
43	106
44	6
45	101
46	59
47	42
48	17
49	125
50	108
51	71
52	73
53	22
54	115
55	93
56	23
57	70
58	47
59	32
60	145
61	113
62	123
63	104
64	19
65	85
66	36
67	49
68	130
69	81
70	94

n	a(n)
1	1
2	2
3	10
4	8
5	12
6	4
7	18
8	14
9	24
10	100
11	67
12	3
13	46
14	34
15	21
16	13
17	28
18	15
19	31
20	16
21	51
22	35
23	61
24	26
25	53
26	27
27	62
28	135
29	37
30	89
31	25
32	64
33	39
34	52
35	103
36	105
37	20
38	58
39	38
40	102
41	146
42	40
43	106
44	6
45	101
46	59
47	42
48	17
49	125
50	108
51	71
52	73
53	22
54	115
55	93
56	23
57	70
58	47
59	32
60	145
61	113
62	123
63	104
64	19
65	85
66	36
67	49
68	130
69	81
70	94

n	a(n)
1	1
2	2
3	10
4	8
5	12
6	4
7	18
8	14
9	24
10	100
11	67
12	3
13	46
14	34
15	21
16	13
17	28
18	15
19	31
20	16
21	51
22	35
23	61
24	26
25	53
26	27
27	62
28	135
29	37
30	89
31	25
32	64
33	39
34	52
35	103
36	105
37	20
38	58
39	38
40	102
41	146
42	40
43	106
44	6
45	101
46	59
47	42
48	17
49	125
50	108
51	71
52	73
53	22
54	115
55	93
56	23
57	70
58	47
59	32
60	145
61	113
62	123
63	104
64	19
65	85
66	36
67	49
68	130
69	81
70	94