A037844 - cp's OEIS frontend

A037844 Sum{d(i-1)-d(i): d(i) where Sum{d(i)*3^i: i=0,1,...,m} is base 3 representation of n.

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

[0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 2, 0, 0, 1, 1, 1, 1, 0, 1, 2, 0, 0, 1, 0, 0, 0, 0, 1, 2, 1, 1, 2, 2, 2, 2, 0, 1, 2, 0, 0, 1, 1, 1, 1, 1, 2, 3, 1, 1, 2, 1, 1, 1, 0, 1, 2, 1, 1, 2, 2, 2, 2, 0, 1, 2, 0, 0, 1, 1, 1, 1, 0, 1, 2, 0, 0, 1, 0, 0, 0, 0, 1, 2, 1, 1, 2, 2, 2, 2, 1]

cp's OEIS Frontend

A037844 Sum{d(i-1)-d(i): d(i) where Sum{d(i)*3^i: i=0,1,...,m} is base 3 representation of n.

Table of values

List of values

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

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

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