A022300 - cp's OEIS frontend

A022300 The sequence a of 1's and 2's starting with (1,1,2,1) 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	1
5	2
6	1
7	1
8	2
9	1
10	1
11	2
12	1
13	2
14	2
15	1
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	2
29	1
30	1
31	2
32	1
33	2
34	2
35	1
36	1
37	2
38	1
39	1
40	2
41	2
42	1
43	2
44	2
45	1
46	2
47	1
48	1
49	2
50	1
51	1
52	2
53	2
54	1
55	2
56	1
57	1
58	2
59	1
60	2
61	2
62	1
63	1
64	2
65	1
66	1
67	2
68	2
69	1
70	2
71	2
72	1
73	2
74	1
75	1
76	2
77	1
78	2
79	2
80	1
81	1
82	2
83	1
84	1
85	2
86	1
87	2
88	2
89	1
90	2
91	2
92	1
93	1
94	2
95	1
96	2
97	2
98	1
99	2
100	1
101	1
102	2
103	2
104	1
105	2
106	2
107	1
108	1

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

cp's OEIS Frontend

A022300 The sequence a of 1's and 2's starting with (1,1,2,1) 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	1
2	1
3	2
4	1
5	2
6	1
7	1
8	2
9	1
10	1
11	2
12	1
13	2
14	2
15	1
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	2
29	1
30	1
31	2
32	1
33	2
34	2
35	1
36	1
37	2
38	1
39	1
40	2
41	2
42	1
43	2
44	2
45	1
46	2
47	1
48	1
49	2
50	1
51	1
52	2
53	2
54	1
55	2
56	1
57	1
58	2
59	1
60	2
61	2
62	1
63	1
64	2
65	1
66	1
67	2
68	2
69	1
70	2
71	2
72	1
73	2
74	1
75	1
76	2
77	1
78	2
79	2
80	1
81	1
82	2
83	1
84	1
85	2
86	1
87	2
88	2
89	1
90	2
91	2
92	1
93	1
94	2
95	1
96	2
97	2
98	1
99	2
100	1
101	1
102	2
103	2
104	1
105	2
106	2
107	1
108	1

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	1
7	1
8	2
9	1
10	1
11	2
12	1
13	2
14	2
15	1
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	2
29	1
30	1
31	2
32	1
33	2
34	2
35	1
36	1
37	2
38	1
39	1
40	2
41	2
42	1
43	2
44	2
45	1
46	2
47	1
48	1
49	2
50	1
51	1
52	2
53	2
54	1
55	2
56	1
57	1
58	2
59	1
60	2
61	2
62	1
63	1
64	2
65	1
66	1
67	2
68	2
69	1
70	2
71	2
72	1
73	2
74	1
75	1
76	2
77	1
78	2
79	2
80	1
81	1
82	2
83	1
84	1
85	2
86	1
87	2
88	2
89	1
90	2
91	2
92	1
93	1
94	2
95	1
96	2
97	2
98	1
99	2
100	1
101	1
102	2
103	2
104	1
105	2
106	2
107	1
108	1

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	1
7	1
8	2
9	1
10	1
11	2
12	1
13	2
14	2
15	1
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	2
29	1
30	1
31	2
32	1
33	2
34	2
35	1
36	1
37	2
38	1
39	1
40	2
41	2
42	1
43	2
44	2
45	1
46	2
47	1
48	1
49	2
50	1
51	1
52	2
53	2
54	1
55	2
56	1
57	1
58	2
59	1
60	2
61	2
62	1
63	1
64	2
65	1
66	1
67	2
68	2
69	1
70	2
71	2
72	1
73	2
74	1
75	1
76	2
77	1
78	2
79	2
80	1
81	1
82	2
83	1
84	1
85	2
86	1
87	2
88	2
89	1
90	2
91	2
92	1
93	1
94	2
95	1
96	2
97	2
98	1
99	2
100	1
101	1
102	2
103	2
104	1
105	2
106	2
107	1
108	1