A218468 - cp's OEIS frontend

A218468 a(n+1) is a multiple of at least one digit of a(n); this is the lexicographically earliest injective such sequence.

n	a(n)
1	1
2	2
3	4
4	8
5	16
6	3
7	6
8	12
9	5
10	10
11	7
12	14
13	9
14	18
15	11
16	13
17	15
18	17
19	19
20	20
21	22
22	24
23	26
24	28
25	30
26	21
27	23
28	27
29	32
30	33
31	36
32	39
33	42
34	34
35	40
36	44
37	48
38	52
39	25
40	35
41	45
42	50
43	55
44	60
45	54
46	56
47	65
48	66
49	72
50	38
51	51
52	29
53	46
54	64
55	68
56	78
57	49
58	63
59	57
60	70
61	77
62	84
63	76
64	90
65	81
66	31
67	37
68	69
69	96
70	99
71	108
72	41
73	43
74	75
75	80
76	88
77	104
78	47
79	91
80	53
81	85
82	95
83	100
84	58
85	105
86	59
87	110
88	61
89	62

[1, 2, 4, 8, 16, 3, 6, 12, 5, 10, 7, 14, 9, 18, 11, 13, 15, 17, 19, 20, 22, 24, 26, 28, 30, 21, 23, 27, 32, 33, 36, 39, 42, 34, 40, 44, 48, 52, 25, 35, 45, 50, 55, 60, 54, 56, 65, 66, 72, 38, 51, 29, 46, 64, 68, 78, 49, 63, 57, 70, 77, 84, 76, 90, 81, 31, 37, 69, 96, 99, 108, 41, 43, 75, 80, 88, 104, 47, 91, 53, 85, 95, 100, 58, 105, 59, 110, 61, 62]

cp's OEIS Frontend

A218468 a(n+1) is a multiple of at least one digit of a(n); this is the lexicographically earliest injective such sequence.

Table of values

List of values

n	a(n)
1	1
2	2
3	4
4	8
5	16
6	3
7	6
8	12
9	5
10	10
11	7
12	14
13	9
14	18
15	11
16	13
17	15
18	17
19	19
20	20
21	22
22	24
23	26
24	28
25	30
26	21
27	23
28	27
29	32
30	33
31	36
32	39
33	42
34	34
35	40
36	44
37	48
38	52
39	25
40	35
41	45
42	50
43	55
44	60
45	54
46	56
47	65
48	66
49	72
50	38
51	51
52	29
53	46
54	64
55	68
56	78
57	49
58	63
59	57
60	70
61	77
62	84
63	76
64	90
65	81
66	31
67	37
68	69
69	96
70	99
71	108
72	41
73	43
74	75
75	80
76	88
77	104
78	47
79	91
80	53
81	85
82	95
83	100
84	58
85	105
86	59
87	110
88	61
89	62

n	a(n)
1	1
2	2
3	4
4	8
5	16
6	3
7	6
8	12
9	5
10	10
11	7
12	14
13	9
14	18
15	11
16	13
17	15
18	17
19	19
20	20
21	22
22	24
23	26
24	28
25	30
26	21
27	23
28	27
29	32
30	33
31	36
32	39
33	42
34	34
35	40
36	44
37	48
38	52
39	25
40	35
41	45
42	50
43	55
44	60
45	54
46	56
47	65
48	66
49	72
50	38
51	51
52	29
53	46
54	64
55	68
56	78
57	49
58	63
59	57
60	70
61	77
62	84
63	76
64	90
65	81
66	31
67	37
68	69
69	96
70	99
71	108
72	41
73	43
74	75
75	80
76	88
77	104
78	47
79	91
80	53
81	85
82	95
83	100
84	58
85	105
86	59
87	110
88	61
89	62

n	a(n)
1	1
2	2
3	4
4	8
5	16
6	3
7	6
8	12
9	5
10	10
11	7
12	14
13	9
14	18
15	11
16	13
17	15
18	17
19	19
20	20
21	22
22	24
23	26
24	28
25	30
26	21
27	23
28	27
29	32
30	33
31	36
32	39
33	42
34	34
35	40
36	44
37	48
38	52
39	25
40	35
41	45
42	50
43	55
44	60
45	54
46	56
47	65
48	66
49	72
50	38
51	51
52	29
53	46
54	64
55	68
56	78
57	49
58	63
59	57
60	70
61	77
62	84
63	76
64	90
65	81
66	31
67	37
68	69
69	96
70	99
71	108
72	41
73	43
74	75
75	80
76	88
77	104
78	47
79	91
80	53
81	85
82	95
83	100
84	58
85	105
86	59
87	110
88	61
89	62