A157129 - cp's OEIS frontend

A157129 An analog of the Kolakoski sequence A000002, only now a(n) = (length of n-th run divided by 2) using 1 and 2 and starting with 1,1.

n	a(n)
1	1
2	1
3	2
4	2
5	1
6	1
7	1
8	1
9	2
10	2
11	2
12	2
13	1
14	1
15	2
16	2
17	1
18	1
19	2
20	2
21	1
22	1
23	1
24	1
25	2
26	2
27	2
28	2
29	1
30	1
31	1
32	1
33	2
34	2
35	2
36	2
37	1
38	1
39	2
40	2
41	1
42	1
43	1
44	1
45	2
46	2
47	2
48	2
49	1
50	1
51	2
52	2
53	1
54	1
55	1
56	1
57	2
58	2
59	2
60	2
61	1
62	1
63	2
64	2
65	1
66	1
67	2
68	2
69	1
70	1
71	1
72	1
73	2
74	2
75	2
76	2
77	1
78	1
79	1
80	1
81	2
82	2
83	2
84	2
85	1
86	1
87	2
88	2
89	1
90	1
91	2
92	2
93	1
94	1
95	1
96	1
97	2
98	2
99	2
100	2
101	1
102	1
103	1
104	1
105	2

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

cp's OEIS Frontend

A157129 An analog of the Kolakoski sequence A000002, only now a(n) = (length of n-th run divided by 2) using 1 and 2 and starting with 1,1.

Table of values

List of values

n	a(n)
1	1
2	1
3	2
4	2
5	1
6	1
7	1
8	1
9	2
10	2
11	2
12	2
13	1
14	1
15	2
16	2
17	1
18	1
19	2
20	2
21	1
22	1
23	1
24	1
25	2
26	2
27	2
28	2
29	1
30	1
31	1
32	1
33	2
34	2
35	2
36	2
37	1
38	1
39	2
40	2
41	1
42	1
43	1
44	1
45	2
46	2
47	2
48	2
49	1
50	1
51	2
52	2
53	1
54	1
55	1
56	1
57	2
58	2
59	2
60	2
61	1
62	1
63	2
64	2
65	1
66	1
67	2
68	2
69	1
70	1
71	1
72	1
73	2
74	2
75	2
76	2
77	1
78	1
79	1
80	1
81	2
82	2
83	2
84	2
85	1
86	1
87	2
88	2
89	1
90	1
91	2
92	2
93	1
94	1
95	1
96	1
97	2
98	2
99	2
100	2
101	1
102	1
103	1
104	1
105	2

n	a(n)
1	1
2	1
3	2
4	2
5	1
6	1
7	1
8	1
9	2
10	2
11	2
12	2
13	1
14	1
15	2
16	2
17	1
18	1
19	2
20	2
21	1
22	1
23	1
24	1
25	2
26	2
27	2
28	2
29	1
30	1
31	1
32	1
33	2
34	2
35	2
36	2
37	1
38	1
39	2
40	2
41	1
42	1
43	1
44	1
45	2
46	2
47	2
48	2
49	1
50	1
51	2
52	2
53	1
54	1
55	1
56	1
57	2
58	2
59	2
60	2
61	1
62	1
63	2
64	2
65	1
66	1
67	2
68	2
69	1
70	1
71	1
72	1
73	2
74	2
75	2
76	2
77	1
78	1
79	1
80	1
81	2
82	2
83	2
84	2
85	1
86	1
87	2
88	2
89	1
90	1
91	2
92	2
93	1
94	1
95	1
96	1
97	2
98	2
99	2
100	2
101	1
102	1
103	1
104	1
105	2

n	a(n)
1	1
2	1
3	2
4	2
5	1
6	1
7	1
8	1
9	2
10	2
11	2
12	2
13	1
14	1
15	2
16	2
17	1
18	1
19	2
20	2
21	1
22	1
23	1
24	1
25	2
26	2
27	2
28	2
29	1
30	1
31	1
32	1
33	2
34	2
35	2
36	2
37	1
38	1
39	2
40	2
41	1
42	1
43	1
44	1
45	2
46	2
47	2
48	2
49	1
50	1
51	2
52	2
53	1
54	1
55	1
56	1
57	2
58	2
59	2
60	2
61	1
62	1
63	2
64	2
65	1
66	1
67	2
68	2
69	1
70	1
71	1
72	1
73	2
74	2
75	2
76	2
77	1
78	1
79	1
80	1
81	2
82	2
83	2
84	2
85	1
86	1
87	2
88	2
89	1
90	1
91	2
92	2
93	1
94	1
95	1
96	1
97	2
98	2
99	2
100	2
101	1
102	1
103	1
104	1
105	2