A365704 - cp's OEIS frontend

A365704 Underline the digit immediately to the left of the center of each term (see the Comments section for the definition of "center"). This is the lexicographically earliest sequence of distinct integers > 9 such that the successive underlined digits duplicate the sequence itself, digit by digit.

n	a(n)
1	10
2	1000
3	11
4	1001
5	1002
6	1003
7	12
8	13
9	14
10	1004
11	1005
12	15
13	16
14	1006
15	1007
16	20
17	17
18	1008
19	1009
20	30
21	18
22	21
23	19
24	31
25	100
26	40
27	101
28	1010
29	1011
30	41
31	102
32	1012
33	1013
34	50
35	103
36	51
37	104
38	60
39	105
40	1014
41	1015
42	61
43	106
44	1016
45	1017
46	70
47	22
48	1018
49	107
50	71
51	108
52	1019
53	1020
54	80
55	109
56	1021
57	1022
58	90
59	32
60	1023
61	110
62	81
63	23

[10, 1000, 11, 1001, 1002, 1003, 12, 13, 14, 1004, 1005, 15, 16, 1006, 1007, 20, 17, 1008, 1009, 30, 18, 21, 19, 31, 100, 40, 101, 1010, 1011, 41, 102, 1012, 1013, 50, 103, 51, 104, 60, 105, 1014, 1015, 61, 106, 1016, 1017, 70, 22, 1018, 107, 71, 108, 1019, 1020, 80, 109, 1021, 1022, 90, 32, 1023, 110, 81, 23]

cp's OEIS Frontend

A365704 Underline the digit immediately to the left of the center of each term (see the Comments section for the definition of "center"). This is the lexicographically earliest sequence of distinct integers > 9 such that the successive underlined digits duplicate the sequence itself, digit by digit.

Table of values

List of values