A171904 - cp's OEIS frontend

A171904 Smallest number m such that m and m+n have both at least two identical neighboring digits in their decimal representations.

n	a(n)
1	99
2	110
3	110
4	110
5	110
6	110
7	110
8	110
9	110
10	100
11	11
12	88
13	99
14	99
15	99
16	99
17	99
18	99
19	99
20	99
21	112
22	11
23	77
24	88
25	88
26	88
27	88
28	88
29	88
30	88
31	88
32	112
33	11
34	66
35	77
36	77
37	77
38	77
39	77
40	77
41	77
42	77
43	112
44	11
45	55
46	66
47	66
48	66
49	66
50	66
51	66
52	66
53	66
54	112
55	11
56	44
57	55
58	55
59	55
60	55
61	55
62	55
63	55
64	55

[99, 110, 110, 110, 110, 110, 110, 110, 110, 100, 11, 88, 99, 99, 99, 99, 99, 99, 99, 99, 112, 11, 77, 88, 88, 88, 88, 88, 88, 88, 88, 112, 11, 66, 77, 77, 77, 77, 77, 77, 77, 77, 112, 11, 55, 66, 66, 66, 66, 66, 66, 66, 66, 112, 11, 44, 55, 55, 55, 55, 55, 55, 55, 55]

cp's OEIS Frontend

A171904 Smallest number m such that m and m+n have both at least two identical neighboring digits in their decimal representations.

Table of values

List of values

n	a(n)
1	99
2	110
3	110
4	110
5	110
6	110
7	110
8	110
9	110
10	100
11	11
12	88
13	99
14	99
15	99
16	99
17	99
18	99
19	99
20	99
21	112
22	11
23	77
24	88
25	88
26	88
27	88
28	88
29	88
30	88
31	88
32	112
33	11
34	66
35	77
36	77
37	77
38	77
39	77
40	77
41	77
42	77
43	112
44	11
45	55
46	66
47	66
48	66
49	66
50	66
51	66
52	66
53	66
54	112
55	11
56	44
57	55
58	55
59	55
60	55
61	55
62	55
63	55
64	55

n	a(n)
1	99
2	110
3	110
4	110
5	110
6	110
7	110
8	110
9	110
10	100
11	11
12	88
13	99
14	99
15	99
16	99
17	99
18	99
19	99
20	99
21	112
22	11
23	77
24	88
25	88
26	88
27	88
28	88
29	88
30	88
31	88
32	112
33	11
34	66
35	77
36	77
37	77
38	77
39	77
40	77
41	77
42	77
43	112
44	11
45	55
46	66
47	66
48	66
49	66
50	66
51	66
52	66
53	66
54	112
55	11
56	44
57	55
58	55
59	55
60	55
61	55
62	55
63	55
64	55

n	a(n)
1	99
2	110
3	110
4	110
5	110
6	110
7	110
8	110
9	110
10	100
11	11
12	88
13	99
14	99
15	99
16	99
17	99
18	99
19	99
20	99
21	112
22	11
23	77
24	88
25	88
26	88
27	88
28	88
29	88
30	88
31	88
32	112
33	11
34	66
35	77
36	77
37	77
38	77
39	77
40	77
41	77
42	77
43	112
44	11
45	55
46	66
47	66
48	66
49	66
50	66
51	66
52	66
53	66
54	112
55	11
56	44
57	55
58	55
59	55
60	55
61	55
62	55
63	55
64	55