A270646 - cp's OEIS frontend

A270646 The sequence a of 1's and 2's starting with (2,2,1,1) such that a(n) is the length of the (n+2)nd run of a.

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

[2, 2, 1, 1, 2, 2, 1, 1, 2, 1, 2, 2, 1, 1, 2, 1, 2, 2, 1, 2, 2, 1, 1, 2, 1, 2, 2, 1, 2, 2, 1, 1, 2, 1, 1, 2, 2, 1, 2, 1, 1, 2, 1, 1, 2, 2, 1, 2, 2, 1, 1, 2, 1, 2, 2, 1, 2, 1, 1, 2, 2, 1, 2, 2, 1, 2, 1, 1, 2, 1, 2, 2, 1, 1, 2, 1, 1, 2, 2, 1, 2, 1, 1, 2, 1, 1]

cp's OEIS Frontend

A270646 The sequence a of 1's and 2's starting with (2,2,1,1) such that a(n) is the length of the (n+2)nd run of a.

Table of values

List of values

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

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

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