A372408 - cp's OEIS frontend

A372408 a(n) = smallest composite not occurring earlier having in decimal representation to its predecessor Levenshtein distance = 1; a(1)=1.

n	a(n)
1	1
2	4
3	6
4	8
5	9
6	39
7	30
8	10
9	12
10	14
11	15
12	16
13	18
14	28
15	20
16	21
17	22
18	24
19	25
20	26
21	27
22	57
23	50
24	40
25	42
26	32
27	33
28	34
29	35
30	36
31	38
32	48
33	44
34	45
35	46
36	49
37	69
38	60
39	62
40	52
41	51
42	54
43	55
44	56
45	58
46	68
47	63
48	64
49	65
50	66
51	76
52	70
53	72
54	74
55	75
56	77
57	78
58	88
59	80
60	81
61	82
62	84
63	85
64	86
65	87
66	187
67	117
68	110
69	100
70	102
71	104
72	105
73	106
74	108
75	118
76	111
77	112

[1, 4, 6, 8, 9, 39, 30, 10, 12, 14, 15, 16, 18, 28, 20, 21, 22, 24, 25, 26, 27, 57, 50, 40, 42, 32, 33, 34, 35, 36, 38, 48, 44, 45, 46, 49, 69, 60, 62, 52, 51, 54, 55, 56, 58, 68, 63, 64, 65, 66, 76, 70, 72, 74, 75, 77, 78, 88, 80, 81, 82, 84, 85, 86, 87, 187, 117, 110, 100, 102, 104, 105, 106, 108, 118, 111, 112]

cp's OEIS Frontend

A372408 a(n) = smallest composite not occurring earlier having in decimal representation to its predecessor Levenshtein distance = 1; a(1)=1.

Table of values

List of values

n	a(n)
1	1
2	4
3	6
4	8
5	9
6	39
7	30
8	10
9	12
10	14
11	15
12	16
13	18
14	28
15	20
16	21
17	22
18	24
19	25
20	26
21	27
22	57
23	50
24	40
25	42
26	32
27	33
28	34
29	35
30	36
31	38
32	48
33	44
34	45
35	46
36	49
37	69
38	60
39	62
40	52
41	51
42	54
43	55
44	56
45	58
46	68
47	63
48	64
49	65
50	66
51	76
52	70
53	72
54	74
55	75
56	77
57	78
58	88
59	80
60	81
61	82
62	84
63	85
64	86
65	87
66	187
67	117
68	110
69	100
70	102
71	104
72	105
73	106
74	108
75	118
76	111
77	112

n	a(n)
1	1
2	4
3	6
4	8
5	9
6	39
7	30
8	10
9	12
10	14
11	15
12	16
13	18
14	28
15	20
16	21
17	22
18	24
19	25
20	26
21	27
22	57
23	50
24	40
25	42
26	32
27	33
28	34
29	35
30	36
31	38
32	48
33	44
34	45
35	46
36	49
37	69
38	60
39	62
40	52
41	51
42	54
43	55
44	56
45	58
46	68
47	63
48	64
49	65
50	66
51	76
52	70
53	72
54	74
55	75
56	77
57	78
58	88
59	80
60	81
61	82
62	84
63	85
64	86
65	87
66	187
67	117
68	110
69	100
70	102
71	104
72	105
73	106
74	108
75	118
76	111
77	112

n	a(n)
1	1
2	4
3	6
4	8
5	9
6	39
7	30
8	10
9	12
10	14
11	15
12	16
13	18
14	28
15	20
16	21
17	22
18	24
19	25
20	26
21	27
22	57
23	50
24	40
25	42
26	32
27	33
28	34
29	35
30	36
31	38
32	48
33	44
34	45
35	46
36	49
37	69
38	60
39	62
40	52
41	51
42	54
43	55
44	56
45	58
46	68
47	63
48	64
49	65
50	66
51	76
52	70
53	72
54	74
55	75
56	77
57	78
58	88
59	80
60	81
61	82
62	84
63	85
64	86
65	87
66	187
67	117
68	110
69	100
70	102
71	104
72	105
73	106
74	108
75	118
76	111
77	112