A085297 - cp's OEIS frontend

A085297 Nonzero residues of Catalan sequence modulo 3; related to the Thue-Morse sequence (A001285).

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

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

cp's OEIS Frontend

A085297 Nonzero residues of Catalan sequence modulo 3; related to the Thue-Morse sequence (A001285).

Table of values

List of values

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

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

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