A085358 - cp's OEIS frontend

A085358 Runs of zeros in binomial(3k,k)/(2k+1) (Mod 2): relates ternary trees (A001764) to the infinite Fibonacci word (A003849).

n	a(n)
0	1
1	2
2	5
3	1
4	10
5	1
6	2
7	21
8	1
9	2
10	5
11	1
12	42
13	1
14	2
15	5
16	1
17	10
18	1
19	2
20	85
21	1
22	2
23	5
24	1
25	10
26	1
27	2
28	21
29	1
30	2
31	5
32	1
33	170
34	1
35	2
36	5
37	1
38	10
39	1
40	2
41	21
42	1
43	2
44	5
45	1
46	42
47	1
48	2
49	5
50	1
51	10
52	1
53	2
54	341
55	1
56	2
57	5
58	1
59	10
60	1
61	2
62	21
63	1
64	2
65	5
66	1
67	42
68	1
69	2
70	5
71	1
72	10
73	1
74	2
75	85
76	1
77	2
78	5
79	1
80	10
81	1
82	2
83	21
84	1
85	2
86	5
87	1
88	682
89	1
90	2
91	5
92	1

[1, 2, 5, 1, 10, 1, 2, 21, 1, 2, 5, 1, 42, 1, 2, 5, 1, 10, 1, 2, 85, 1, 2, 5, 1, 10, 1, 2, 21, 1, 2, 5, 1, 170, 1, 2, 5, 1, 10, 1, 2, 21, 1, 2, 5, 1, 42, 1, 2, 5, 1, 10, 1, 2, 341, 1, 2, 5, 1, 10, 1, 2, 21, 1, 2, 5, 1, 42, 1, 2, 5, 1, 10, 1, 2, 85, 1, 2, 5, 1, 10, 1, 2, 21, 1, 2, 5, 1, 682, 1, 2, 5, 1]

cp's OEIS Frontend

A085358 Runs of zeros in binomial(3k,k)/(2k+1) (Mod 2): relates ternary trees (A001764) to the infinite Fibonacci word (A003849).

Table of values

List of values

n	a(n)
0	1
1	2
2	5
3	1
4	10
5	1
6	2
7	21
8	1
9	2
10	5
11	1
12	42
13	1
14	2
15	5
16	1
17	10
18	1
19	2
20	85
21	1
22	2
23	5
24	1
25	10
26	1
27	2
28	21
29	1
30	2
31	5
32	1
33	170
34	1
35	2
36	5
37	1
38	10
39	1
40	2
41	21
42	1
43	2
44	5
45	1
46	42
47	1
48	2
49	5
50	1
51	10
52	1
53	2
54	341
55	1
56	2
57	5
58	1
59	10
60	1
61	2
62	21
63	1
64	2
65	5
66	1
67	42
68	1
69	2
70	5
71	1
72	10
73	1
74	2
75	85
76	1
77	2
78	5
79	1
80	10
81	1
82	2
83	21
84	1
85	2
86	5
87	1
88	682
89	1
90	2
91	5
92	1

n	a(n)
0	1
1	2
2	5
3	1
4	10
5	1
6	2
7	21
8	1
9	2
10	5
11	1
12	42
13	1
14	2
15	5
16	1
17	10
18	1
19	2
20	85
21	1
22	2
23	5
24	1
25	10
26	1
27	2
28	21
29	1
30	2
31	5
32	1
33	170
34	1
35	2
36	5
37	1
38	10
39	1
40	2
41	21
42	1
43	2
44	5
45	1
46	42
47	1
48	2
49	5
50	1
51	10
52	1
53	2
54	341
55	1
56	2
57	5
58	1
59	10
60	1
61	2
62	21
63	1
64	2
65	5
66	1
67	42
68	1
69	2
70	5
71	1
72	10
73	1
74	2
75	85
76	1
77	2
78	5
79	1
80	10
81	1
82	2
83	21
84	1
85	2
86	5
87	1
88	682
89	1
90	2
91	5
92	1

n	a(n)
0	1
1	2
2	5
3	1
4	10
5	1
6	2
7	21
8	1
9	2
10	5
11	1
12	42
13	1
14	2
15	5
16	1
17	10
18	1
19	2
20	85
21	1
22	2
23	5
24	1
25	10
26	1
27	2
28	21
29	1
30	2
31	5
32	1
33	170
34	1
35	2
36	5
37	1
38	10
39	1
40	2
41	21
42	1
43	2
44	5
45	1
46	42
47	1
48	2
49	5
50	1
51	10
52	1
53	2
54	341
55	1
56	2
57	5
58	1
59	10
60	1
61	2
62	21
63	1
64	2
65	5
66	1
67	42
68	1
69	2
70	5
71	1
72	10
73	1
74	2
75	85
76	1
77	2
78	5
79	1
80	10
81	1
82	2
83	21
84	1
85	2
86	5
87	1
88	682
89	1
90	2
91	5
92	1