A130571 - cp's OEIS frontend

A130571 Lexicographically earliest permutation of the natural numbers such that in decimal representation the final digit of each term is distinct from the initial digit of the succeeding term.

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	11
12	20
13	12
14	13
15	14
16	15
17	16
18	17
19	18
20	19
21	21
22	22
23	30
24	23
25	24
26	25
27	26
28	27
29	28
30	29
31	31
32	32
33	33
34	40
35	34
36	35
37	36
38	37
39	38
40	39
41	41
42	42
43	43
44	44
45	50
46	45
47	46
48	47
49	48
50	49
51	51
52	52
53	53
54	54
55	55
56	60
57	56
58	57
59	58
60	59
61	61
62	62
63	63
64	64
65	65
66	66
67	70
68	67
69	68
70	69
71	71
72	72
73	73
74	74
75	75
76	76
77	77
78	80
79	78
80	79
81	81
82	82
83	83
84	84
85	85
86	86
87	87
88	88
89	90
90	89
91	100
92	91
93	92
94	93
95	94
96	95
97	96
98	97
99	98
100	99
101	101
102	200
103	102
104	103
105	104
106	105
107	106
108	107
109	108
110	109
111	110
112	111
113	201
114	202
115	112
116	113
117	114

[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 20, 12, 13, 14, 15, 16, 17, 18, 19, 21, 22, 30, 23, 24, 25, 26, 27, 28, 29, 31, 32, 33, 40, 34, 35, 36, 37, 38, 39, 41, 42, 43, 44, 50, 45, 46, 47, 48, 49, 51, 52, 53, 54, 55, 60, 56, 57, 58, 59, 61, 62, 63, 64, 65, 66, 70, 67, 68, 69, 71, 72, 73, 74, 75, 76, 77, 80, 78, 79, 81, 82, 83, 84, 85, 86, 87, 88, 90, 89, 100, 91, 92, 93, 94, 95, 96, 97, 98, 99, 101, 200, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 201, 202, 112, 113, 114]

cp's OEIS Frontend

A130571 Lexicographically earliest permutation of the natural numbers such that in decimal representation the final digit of each term is distinct from the initial digit of the succeeding term.

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	11
12	20
13	12
14	13
15	14
16	15
17	16
18	17
19	18
20	19
21	21
22	22
23	30
24	23
25	24
26	25
27	26
28	27
29	28
30	29
31	31
32	32
33	33
34	40
35	34
36	35
37	36
38	37
39	38
40	39
41	41
42	42
43	43
44	44
45	50
46	45
47	46
48	47
49	48
50	49
51	51
52	52
53	53
54	54
55	55
56	60
57	56
58	57
59	58
60	59
61	61
62	62
63	63
64	64
65	65
66	66
67	70
68	67
69	68
70	69
71	71
72	72
73	73
74	74
75	75
76	76
77	77
78	80
79	78
80	79
81	81
82	82
83	83
84	84
85	85
86	86
87	87
88	88
89	90
90	89
91	100
92	91
93	92
94	93
95	94
96	95
97	96
98	97
99	98
100	99
101	101
102	200
103	102
104	103
105	104
106	105
107	106
108	107
109	108
110	109
111	110
112	111
113	201
114	202
115	112
116	113
117	114

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	11
12	20
13	12
14	13
15	14
16	15
17	16
18	17
19	18
20	19
21	21
22	22
23	30
24	23
25	24
26	25
27	26
28	27
29	28
30	29
31	31
32	32
33	33
34	40
35	34
36	35
37	36
38	37
39	38
40	39
41	41
42	42
43	43
44	44
45	50
46	45
47	46
48	47
49	48
50	49
51	51
52	52
53	53
54	54
55	55
56	60
57	56
58	57
59	58
60	59
61	61
62	62
63	63
64	64
65	65
66	66
67	70
68	67
69	68
70	69
71	71
72	72
73	73
74	74
75	75
76	76
77	77
78	80
79	78
80	79
81	81
82	82
83	83
84	84
85	85
86	86
87	87
88	88
89	90
90	89
91	100
92	91
93	92
94	93
95	94
96	95
97	96
98	97
99	98
100	99
101	101
102	200
103	102
104	103
105	104
106	105
107	106
108	107
109	108
110	109
111	110
112	111
113	201
114	202
115	112
116	113
117	114

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	11
12	20
13	12
14	13
15	14
16	15
17	16
18	17
19	18
20	19
21	21
22	22
23	30
24	23
25	24
26	25
27	26
28	27
29	28
30	29
31	31
32	32
33	33
34	40
35	34
36	35
37	36
38	37
39	38
40	39
41	41
42	42
43	43
44	44
45	50
46	45
47	46
48	47
49	48
50	49
51	51
52	52
53	53
54	54
55	55
56	60
57	56
58	57
59	58
60	59
61	61
62	62
63	63
64	64
65	65
66	66
67	70
68	67
69	68
70	69
71	71
72	72
73	73
74	74
75	75
76	76
77	77
78	80
79	78
80	79
81	81
82	82
83	83
84	84
85	85
86	86
87	87
88	88
89	90
90	89
91	100
92	91
93	92
94	93
95	94
96	95
97	96
98	97
99	98
100	99
101	101
102	200
103	102
104	103
105	104
106	105
107	106
108	107
109	108
110	109
111	110
112	111
113	201
114	202
115	112
116	113
117	114