A337707 - cp's OEIS frontend

A337707 a(n) is the lowest number in the sequence of the first occurrence of exactly n consecutive numbers with at least one repeated digit, or -1 if no such number exists.

n	a(n)
1	11
2	121
3	99
4	1898
5	12898
6	123898
7	1234898
8	12345898
9	123456898
10	110
11	1909
12	10330
13	9188
14	9088
15	19787
16	129787
17	1239787
18	12349787
19	123459787
20	1210
21	12909
22	103430
23	1024540
24	2988
25	1988
26	27987
27	237987
28	2347987
29	23457987
30	12310
31	123909
32	1034530
33	10245640
34	102356750
35	988
36	12988

[11, 121, 99, 1898, 12898, 123898, 1234898, 12345898, 123456898, 110, 1909, 10330, 9188, 9088, 19787, 129787, 1239787, 12349787, 123459787, 1210, 12909, 103430, 1024540, 2988, 1988, 27987, 237987, 2347987, 23457987, 12310, 123909, 1034530, 10245640, 102356750, 988, 12988]

cp's OEIS Frontend

A337707 a(n) is the lowest number in the sequence of the first occurrence of exactly n consecutive numbers with at least one repeated digit, or -1 if no such number exists.

Table of values

List of values