A171902 - cp's OEIS frontend

A171902 First differences of consecutive numbers having at least two identical neighboring digits in decimal representation.

n	a(n)
1	11
2	11
3	11
4	11
5	11
6	11
7	11
8	11
9	1
10	10
11	1
12	1
13	1
14	1
15	1
16	1
17	1
18	1
19	1
20	3
21	11
22	11
23	11
24	11
25	11
26	11
27	11
28	1
29	11
30	9
31	1
32	1
33	1
34	1
35	1
36	1
37	1
38	1
39	1
40	4
41	11
42	11
43	11
44	11
45	11
46	11
47	1
48	11
49	11
50	8
51	1
52	1
53	1
54	1
55	1
56	1
57	1
58	1
59	1
60	5
61	11
62	11
63	11
64	11
65	11
66	1
67	11
68	11
69	11
70	7
71	1
72	1
73	1
74	1
75	1
76	1
77	1
78	1
79	1
80	6
81	11
82	11
83	11
84	11
85	1
86	11

[11, 11, 11, 11, 11, 11, 11, 11, 1, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 11, 11, 11, 11, 11, 11, 11, 1, 11, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 4, 11, 11, 11, 11, 11, 11, 1, 11, 11, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 5, 11, 11, 11, 11, 11, 1, 11, 11, 11, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 6, 11, 11, 11, 11, 1, 11]

cp's OEIS Frontend

A171902 First differences of consecutive numbers having at least two identical neighboring digits in decimal representation.

Table of values

List of values

n	a(n)
1	11
2	11
3	11
4	11
5	11
6	11
7	11
8	11
9	1
10	10
11	1
12	1
13	1
14	1
15	1
16	1
17	1
18	1
19	1
20	3
21	11
22	11
23	11
24	11
25	11
26	11
27	11
28	1
29	11
30	9
31	1
32	1
33	1
34	1
35	1
36	1
37	1
38	1
39	1
40	4
41	11
42	11
43	11
44	11
45	11
46	11
47	1
48	11
49	11
50	8
51	1
52	1
53	1
54	1
55	1
56	1
57	1
58	1
59	1
60	5
61	11
62	11
63	11
64	11
65	11
66	1
67	11
68	11
69	11
70	7
71	1
72	1
73	1
74	1
75	1
76	1
77	1
78	1
79	1
80	6
81	11
82	11
83	11
84	11
85	1
86	11

n	a(n)
1	11
2	11
3	11
4	11
5	11
6	11
7	11
8	11
9	1
10	10
11	1
12	1
13	1
14	1
15	1
16	1
17	1
18	1
19	1
20	3
21	11
22	11
23	11
24	11
25	11
26	11
27	11
28	1
29	11
30	9
31	1
32	1
33	1
34	1
35	1
36	1
37	1
38	1
39	1
40	4
41	11
42	11
43	11
44	11
45	11
46	11
47	1
48	11
49	11
50	8
51	1
52	1
53	1
54	1
55	1
56	1
57	1
58	1
59	1
60	5
61	11
62	11
63	11
64	11
65	11
66	1
67	11
68	11
69	11
70	7
71	1
72	1
73	1
74	1
75	1
76	1
77	1
78	1
79	1
80	6
81	11
82	11
83	11
84	11
85	1
86	11

n	a(n)
1	11
2	11
3	11
4	11
5	11
6	11
7	11
8	11
9	1
10	10
11	1
12	1
13	1
14	1
15	1
16	1
17	1
18	1
19	1
20	3
21	11
22	11
23	11
24	11
25	11
26	11
27	11
28	1
29	11
30	9
31	1
32	1
33	1
34	1
35	1
36	1
37	1
38	1
39	1
40	4
41	11
42	11
43	11
44	11
45	11
46	11
47	1
48	11
49	11
50	8
51	1
52	1
53	1
54	1
55	1
56	1
57	1
58	1
59	1
60	5
61	11
62	11
63	11
64	11
65	11
66	1
67	11
68	11
69	11
70	7
71	1
72	1
73	1
74	1
75	1
76	1
77	1
78	1
79	1
80	6
81	11
82	11
83	11
84	11
85	1
86	11