A053838 - cp's OEIS frontend

A053838 a(n) = (sum of digits of n written in base 3) modulo 3.

n	a(n)
0	0
1	1
2	2
3	1
4	2
5	0
6	2
7	0
8	1
9	1
10	2
11	0
12	2
13	0
14	1
15	0
16	1
17	2
18	2
19	0
20	1
21	0
22	1
23	2
24	1
25	2
26	0
27	1
28	2
29	0
30	2
31	0
32	1
33	0
34	1
35	2
36	2
37	0
38	1
39	0
40	1
41	2
42	1
43	2
44	0
45	0
46	1
47	2
48	1
49	2
50	0
51	2
52	0
53	1
54	2
55	0
56	1
57	0
58	1
59	2
60	1
61	2
62	0
63	0
64	1
65	2
66	1
67	2
68	0
69	2
70	0
71	1
72	1
73	2
74	0
75	2
76	0
77	1
78	0
79	1
80	2
81	1
82	2
83	0
84	2
85	0
86	1
87	0
88	1
89	2
90	2
91	0
92	1
93	0
94	1
95	2
96	1
97	2
98	0
99	0
100	1
101	2
102	1
103	2
104	0

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

cp's OEIS Frontend

A053838 a(n) = (sum of digits of n written in base 3) modulo 3.

Table of values

List of values

n	a(n)
0	0
1	1
2	2
3	1
4	2
5	0
6	2
7	0
8	1
9	1
10	2
11	0
12	2
13	0
14	1
15	0
16	1
17	2
18	2
19	0
20	1
21	0
22	1
23	2
24	1
25	2
26	0
27	1
28	2
29	0
30	2
31	0
32	1
33	0
34	1
35	2
36	2
37	0
38	1
39	0
40	1
41	2
42	1
43	2
44	0
45	0
46	1
47	2
48	1
49	2
50	0
51	2
52	0
53	1
54	2
55	0
56	1
57	0
58	1
59	2
60	1
61	2
62	0
63	0
64	1
65	2
66	1
67	2
68	0
69	2
70	0
71	1
72	1
73	2
74	0
75	2
76	0
77	1
78	0
79	1
80	2
81	1
82	2
83	0
84	2
85	0
86	1
87	0
88	1
89	2
90	2
91	0
92	1
93	0
94	1
95	2
96	1
97	2
98	0
99	0
100	1
101	2
102	1
103	2
104	0

n	a(n)
0	0
1	1
2	2
3	1
4	2
5	0
6	2
7	0
8	1
9	1
10	2
11	0
12	2
13	0
14	1
15	0
16	1
17	2
18	2
19	0
20	1
21	0
22	1
23	2
24	1
25	2
26	0
27	1
28	2
29	0
30	2
31	0
32	1
33	0
34	1
35	2
36	2
37	0
38	1
39	0
40	1
41	2
42	1
43	2
44	0
45	0
46	1
47	2
48	1
49	2
50	0
51	2
52	0
53	1
54	2
55	0
56	1
57	0
58	1
59	2
60	1
61	2
62	0
63	0
64	1
65	2
66	1
67	2
68	0
69	2
70	0
71	1
72	1
73	2
74	0
75	2
76	0
77	1
78	0
79	1
80	2
81	1
82	2
83	0
84	2
85	0
86	1
87	0
88	1
89	2
90	2
91	0
92	1
93	0
94	1
95	2
96	1
97	2
98	0
99	0
100	1
101	2
102	1
103	2
104	0

n	a(n)
0	0
1	1
2	2
3	1
4	2
5	0
6	2
7	0
8	1
9	1
10	2
11	0
12	2
13	0
14	1
15	0
16	1
17	2
18	2
19	0
20	1
21	0
22	1
23	2
24	1
25	2
26	0
27	1
28	2
29	0
30	2
31	0
32	1
33	0
34	1
35	2
36	2
37	0
38	1
39	0
40	1
41	2
42	1
43	2
44	0
45	0
46	1
47	2
48	1
49	2
50	0
51	2
52	0
53	1
54	2
55	0
56	1
57	0
58	1
59	2
60	1
61	2
62	0
63	0
64	1
65	2
66	1
67	2
68	0
69	2
70	0
71	1
72	1
73	2
74	0
75	2
76	0
77	1
78	0
79	1
80	2
81	1
82	2
83	0
84	2
85	0
86	1
87	0
88	1
89	2
90	2
91	0
92	1
93	0
94	1
95	2
96	1
97	2
98	0
99	0
100	1
101	2
102	1
103	2
104	0