A335043 - cp's OEIS frontend

A335043 Lexicographically earliest sequence of distinct positive integers such that for any n > 0, the decimal representations of a(2n-1) and of a(2n+1) appear as substrings in the decimal representation of a(2*n).

n	a(n)
1	1
2	12
3	2
4	23
5	3
6	34
7	4
8	45
9	5
10	56
11	6
12	67
13	7
14	78
15	8
16	89
17	9
18	109
19	10
20	110
21	11
22	113
23	13
24	130
25	30
26	330
27	33
28	331
29	31
30	314
31	14
32	140
33	40
34	240
35	24
36	224
37	22
38	220
39	20
40	320
41	32
42	321
43	21
44	215
45	15
46	150
47	50
48	250
49	25
50	251
51	51
52	351
53	35
54	352
55	52
56	526
57	26
58	260
59	60
60	160
61	16
62	161

[1, 12, 2, 23, 3, 34, 4, 45, 5, 56, 6, 67, 7, 78, 8, 89, 9, 109, 10, 110, 11, 113, 13, 130, 30, 330, 33, 331, 31, 314, 14, 140, 40, 240, 24, 224, 22, 220, 20, 320, 32, 321, 21, 215, 15, 150, 50, 250, 25, 251, 51, 351, 35, 352, 52, 526, 26, 260, 60, 160, 16, 161]

cp's OEIS Frontend

A335043 Lexicographically earliest sequence of distinct positive integers such that for any n > 0, the decimal representations of a(2n-1) and of a(2n+1) appear as substrings in the decimal representation of a(2*n).

Table of values

List of values

n	a(n)
1	1
2	12
3	2
4	23
5	3
6	34
7	4
8	45
9	5
10	56
11	6
12	67
13	7
14	78
15	8
16	89
17	9
18	109
19	10
20	110
21	11
22	113
23	13
24	130
25	30
26	330
27	33
28	331
29	31
30	314
31	14
32	140
33	40
34	240
35	24
36	224
37	22
38	220
39	20
40	320
41	32
42	321
43	21
44	215
45	15
46	150
47	50
48	250
49	25
50	251
51	51
52	351
53	35
54	352
55	52
56	526
57	26
58	260
59	60
60	160
61	16
62	161

n	a(n)
1	1
2	12
3	2
4	23
5	3
6	34
7	4
8	45
9	5
10	56
11	6
12	67
13	7
14	78
15	8
16	89
17	9
18	109
19	10
20	110
21	11
22	113
23	13
24	130
25	30
26	330
27	33
28	331
29	31
30	314
31	14
32	140
33	40
34	240
35	24
36	224
37	22
38	220
39	20
40	320
41	32
42	321
43	21
44	215
45	15
46	150
47	50
48	250
49	25
50	251
51	51
52	351
53	35
54	352
55	52
56	526
57	26
58	260
59	60
60	160
61	16
62	161

cp's OEIS Frontend

A335043 Lexicographically earliest sequence of distinct positive integers such that for any n > 0, the decimal representations of a(2*n-1) and of a(2*n+1) appear as substrings in the decimal representation of a(2*n).

Table of values

List of values

A335043 Lexicographically earliest sequence of distinct positive integers such that for any n > 0, the decimal representations of a(2n-1) and of a(2n+1) appear as substrings in the decimal representation of a(2*n).

n	a(n)
1	1
2	12
3	2
4	23
5	3
6	34
7	4
8	45
9	5
10	56
11	6
12	67
13	7
14	78
15	8
16	89
17	9
18	109
19	10
20	110
21	11
22	113
23	13
24	130
25	30
26	330
27	33
28	331
29	31
30	314
31	14
32	140
33	40
34	240
35	24
36	224
37	22
38	220
39	20
40	320
41	32
42	321
43	21
44	215
45	15
46	150
47	50
48	250
49	25
50	251
51	51
52	351
53	35
54	352
55	52
56	526
57	26
58	260
59	60
60	160
61	16
62	161