A228584 - cp's OEIS frontend

A228584 Start with decimal expansion of Champernowne constant (A033307) and repeatedly remove the first digit between two neighbors (after the decimal point) having the same parity.

n	a(n)
0	1
1	9
2	2
3	2
4	9
5	9
6	4
7	4
8	9
9	9
10	6
11	6
12	9
13	9
14	8
15	8
16	9
17	1
18	0
19	0
20	1
21	1
22	0
23	0
24	3
25	1
26	0
27	0
28	5
29	1
30	0
31	0
32	7
33	1
34	0
35	0
36	9
37	1
38	2
39	2
40	1
41	1
42	2
43	2
44	3
45	1
46	2
47	2
48	5
49	1
50	2
51	2
52	7
53	1
54	2
55	2
56	9
57	1
58	4
59	4
60	1
61	1
62	4
63	4
64	3
65	1
66	4
67	4
68	5
69	1
70	4
71	4
72	7
73	1
74	4
75	4
76	9
77	1
78	6
79	6
80	1
81	1
82	6
83	6
84	3
85	1
86	6
87	6
88	5
89	1
90	6
91	6
92	7
93	1
94	6
95	6
96	9
97	1
98	8
99	8
100	1
101	1
102	8
103	8
104	3

[1, 9, 2, 2, 9, 9, 4, 4, 9, 9, 6, 6, 9, 9, 8, 8, 9, 1, 0, 0, 1, 1, 0, 0, 3, 1, 0, 0, 5, 1, 0, 0, 7, 1, 0, 0, 9, 1, 2, 2, 1, 1, 2, 2, 3, 1, 2, 2, 5, 1, 2, 2, 7, 1, 2, 2, 9, 1, 4, 4, 1, 1, 4, 4, 3, 1, 4, 4, 5, 1, 4, 4, 7, 1, 4, 4, 9, 1, 6, 6, 1, 1, 6, 6, 3, 1, 6, 6, 5, 1, 6, 6, 7, 1, 6, 6, 9, 1, 8, 8, 1, 1, 8, 8, 3]

cp's OEIS Frontend

A228584 Start with decimal expansion of Champernowne constant (A033307) and repeatedly remove the first digit between two neighbors (after the decimal point) having the same parity.

Table of values

List of values

n	a(n)
0	1
1	9
2	2
3	2
4	9
5	9
6	4
7	4
8	9
9	9
10	6
11	6
12	9
13	9
14	8
15	8
16	9
17	1
18	0
19	0
20	1
21	1
22	0
23	0
24	3
25	1
26	0
27	0
28	5
29	1
30	0
31	0
32	7
33	1
34	0
35	0
36	9
37	1
38	2
39	2
40	1
41	1
42	2
43	2
44	3
45	1
46	2
47	2
48	5
49	1
50	2
51	2
52	7
53	1
54	2
55	2
56	9
57	1
58	4
59	4
60	1
61	1
62	4
63	4
64	3
65	1
66	4
67	4
68	5
69	1
70	4
71	4
72	7
73	1
74	4
75	4
76	9
77	1
78	6
79	6
80	1
81	1
82	6
83	6
84	3
85	1
86	6
87	6
88	5
89	1
90	6
91	6
92	7
93	1
94	6
95	6
96	9
97	1
98	8
99	8
100	1
101	1
102	8
103	8
104	3

n	a(n)
0	1
1	9
2	2
3	2
4	9
5	9
6	4
7	4
8	9
9	9
10	6
11	6
12	9
13	9
14	8
15	8
16	9
17	1
18	0
19	0
20	1
21	1
22	0
23	0
24	3
25	1
26	0
27	0
28	5
29	1
30	0
31	0
32	7
33	1
34	0
35	0
36	9
37	1
38	2
39	2
40	1
41	1
42	2
43	2
44	3
45	1
46	2
47	2
48	5
49	1
50	2
51	2
52	7
53	1
54	2
55	2
56	9
57	1
58	4
59	4
60	1
61	1
62	4
63	4
64	3
65	1
66	4
67	4
68	5
69	1
70	4
71	4
72	7
73	1
74	4
75	4
76	9
77	1
78	6
79	6
80	1
81	1
82	6
83	6
84	3
85	1
86	6
87	6
88	5
89	1
90	6
91	6
92	7
93	1
94	6
95	6
96	9
97	1
98	8
99	8
100	1
101	1
102	8
103	8
104	3

n	a(n)
0	1
1	9
2	2
3	2
4	9
5	9
6	4
7	4
8	9
9	9
10	6
11	6
12	9
13	9
14	8
15	8
16	9
17	1
18	0
19	0
20	1
21	1
22	0
23	0
24	3
25	1
26	0
27	0
28	5
29	1
30	0
31	0
32	7
33	1
34	0
35	0
36	9
37	1
38	2
39	2
40	1
41	1
42	2
43	2
44	3
45	1
46	2
47	2
48	5
49	1
50	2
51	2
52	7
53	1
54	2
55	2
56	9
57	1
58	4
59	4
60	1
61	1
62	4
63	4
64	3
65	1
66	4
67	4
68	5
69	1
70	4
71	4
72	7
73	1
74	4
75	4
76	9
77	1
78	6
79	6
80	1
81	1
82	6
83	6
84	3
85	1
86	6
87	6
88	5
89	1
90	6
91	6
92	7
93	1
94	6
95	6
96	9
97	1
98	8
99	8
100	1
101	1
102	8
103	8
104	3