A303446 - cp's OEIS frontend

A303446 Lexicographically first sequence of distinct terms such that a(n) can be recreated concatenating [the last digit(s) of a(n-1)] to [the first digit(s) of a(n+1)].

n	a(n)
1	1
2	11
3	12
4	21
5	13
6	31
7	14
8	41
9	15
10	51
11	16
12	61
13	17
14	71
15	18
16	81
17	19
18	91
19	110
20	101
21	111
22	112
23	22
24	23
25	32
26	24
27	42
28	25
29	52
30	26
31	62
32	27
33	72
34	28
35	82
36	29
37	92
38	210
39	102
40	211
41	113
42	33
43	34
44	43
45	35
46	53
47	36
48	63
49	37
50	73
51	38
52	83
53	39
54	93
55	310
56	103
57	311
58	114
59	44
60	45
61	54
62	46
63	64
64	47
65	74
66	48
67	84
68	49
69	94
70	410
71	104
72	411

[1, 11, 12, 21, 13, 31, 14, 41, 15, 51, 16, 61, 17, 71, 18, 81, 19, 91, 110, 101, 111, 112, 22, 23, 32, 24, 42, 25, 52, 26, 62, 27, 72, 28, 82, 29, 92, 210, 102, 211, 113, 33, 34, 43, 35, 53, 36, 63, 37, 73, 38, 83, 39, 93, 310, 103, 311, 114, 44, 45, 54, 46, 64, 47, 74, 48, 84, 49, 94, 410, 104, 411]

cp's OEIS Frontend

A303446 Lexicographically first sequence of distinct terms such that a(n) can be recreated concatenating [the last digit(s) of a(n-1)] to [the first digit(s) of a(n+1)].

Table of values

List of values

n	a(n)
1	1
2	11
3	12
4	21
5	13
6	31
7	14
8	41
9	15
10	51
11	16
12	61
13	17
14	71
15	18
16	81
17	19
18	91
19	110
20	101
21	111
22	112
23	22
24	23
25	32
26	24
27	42
28	25
29	52
30	26
31	62
32	27
33	72
34	28
35	82
36	29
37	92
38	210
39	102
40	211
41	113
42	33
43	34
44	43
45	35
46	53
47	36
48	63
49	37
50	73
51	38
52	83
53	39
54	93
55	310
56	103
57	311
58	114
59	44
60	45
61	54
62	46
63	64
64	47
65	74
66	48
67	84
68	49
69	94
70	410
71	104
72	411

n	a(n)
1	1
2	11
3	12
4	21
5	13
6	31
7	14
8	41
9	15
10	51
11	16
12	61
13	17
14	71
15	18
16	81
17	19
18	91
19	110
20	101
21	111
22	112
23	22
24	23
25	32
26	24
27	42
28	25
29	52
30	26
31	62
32	27
33	72
34	28
35	82
36	29
37	92
38	210
39	102
40	211
41	113
42	33
43	34
44	43
45	35
46	53
47	36
48	63
49	37
50	73
51	38
52	83
53	39
54	93
55	310
56	103
57	311
58	114
59	44
60	45
61	54
62	46
63	64
64	47
65	74
66	48
67	84
68	49
69	94
70	410
71	104
72	411

n	a(n)
1	1
2	11
3	12
4	21
5	13
6	31
7	14
8	41
9	15
10	51
11	16
12	61
13	17
14	71
15	18
16	81
17	19
18	91
19	110
20	101
21	111
22	112
23	22
24	23
25	32
26	24
27	42
28	25
29	52
30	26
31	62
32	27
33	72
34	28
35	82
36	29
37	92
38	210
39	102
40	211
41	113
42	33
43	34
44	43
45	35
46	53
47	36
48	63
49	37
50	73
51	38
52	83
53	39
54	93
55	310
56	103
57	311
58	114
59	44
60	45
61	54
62	46
63	64
64	47
65	74
66	48
67	84
68	49
69	94
70	410
71	104
72	411