A270642 - cp's OEIS frontend

A270642 The sequence a of 1's and 2's starting with (1,1,2,2) such that a(n) is the length of the (n+2)nd run of a.

n	a(n)
1	1
2	1
3	2
4	2
5	1
6	2
7	1
8	1
9	2
10	2
11	1
12	2
13	2
14	1
15	2
16	1
17	1
18	2
19	2
20	1
21	2
22	2
23	1
24	1
25	2
26	1
27	1
28	2
29	1
30	2
31	2
32	1
33	1
34	2
35	1
36	1
37	2
38	2
39	1
40	2
41	1
42	1
43	2
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	1
72	2
73	2
74	1
75	2
76	2
77	1
78	1
79	2
80	1
81	2
82	2
83	1
84	2
85	2
86	1

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

cp's OEIS Frontend

A270642 The sequence a of 1's and 2's starting with (1,1,2,2) 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	1
2	1
3	2
4	2
5	1
6	2
7	1
8	1
9	2
10	2
11	1
12	2
13	2
14	1
15	2
16	1
17	1
18	2
19	2
20	1
21	2
22	2
23	1
24	1
25	2
26	1
27	1
28	2
29	1
30	2
31	2
32	1
33	1
34	2
35	1
36	1
37	2
38	2
39	1
40	2
41	1
42	1
43	2
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	1
72	2
73	2
74	1
75	2
76	2
77	1
78	1
79	2
80	1
81	2
82	2
83	1
84	2
85	2
86	1

n	a(n)
1	1
2	1
3	2
4	2
5	1
6	2
7	1
8	1
9	2
10	2
11	1
12	2
13	2
14	1
15	2
16	1
17	1
18	2
19	2
20	1
21	2
22	2
23	1
24	1
25	2
26	1
27	1
28	2
29	1
30	2
31	2
32	1
33	1
34	2
35	1
36	1
37	2
38	2
39	1
40	2
41	1
42	1
43	2
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	1
72	2
73	2
74	1
75	2
76	2
77	1
78	1
79	2
80	1
81	2
82	2
83	1
84	2
85	2
86	1

n	a(n)
1	1
2	1
3	2
4	2
5	1
6	2
7	1
8	1
9	2
10	2
11	1
12	2
13	2
14	1
15	2
16	1
17	1
18	2
19	2
20	1
21	2
22	2
23	1
24	1
25	2
26	1
27	1
28	2
29	1
30	2
31	2
32	1
33	1
34	2
35	1
36	1
37	2
38	2
39	1
40	2
41	1
42	1
43	2
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	1
72	2
73	2
74	1
75	2
76	2
77	1
78	1
79	2
80	1
81	2
82	2
83	1
84	2
85	2
86	1