A270641 - cp's OEIS frontend

A270641 The sequence a of 1's and 2's starting with (1,1,1,1) such that a(n) is the length of the (n+1)st run of a.

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

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

cp's OEIS Frontend

A270641 The sequence a of 1's and 2's starting with (1,1,1,1) such that a(n) is the length of the (n+1)st run of a.

Table of values

List of values

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

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

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