A215604 - cp's OEIS frontend

A215604 a(0)=0, a(n) = (n + a(floor(n/2))) mod 3.

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

[0, 1, 0, 1, 1, 2, 1, 2, 0, 1, 0, 1, 1, 2, 1, 2, 1, 2, 1, 2, 2, 0, 2, 0, 1, 2, 1, 2, 2, 0, 2, 0, 0, 1, 0, 1, 1, 2, 1, 2, 0, 1, 0, 1, 1, 2, 1, 2, 1, 2, 1, 2, 2, 0, 2, 0, 1, 2, 1, 2, 2, 0, 2, 0, 1, 2, 1, 2, 2, 0, 2, 0, 1, 2, 1, 2, 2, 0, 2, 0, 2, 0, 2, 0, 0, 1, 0, 1, 2]

cp's OEIS Frontend

A215604 a(0)=0, a(n) = (n + a(floor(n/2))) mod 3.

Table of values

List of values

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

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

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