A334889 - cp's OEIS frontend

A334889 a(n) = Sum_{k >= 0} f(d_k) * 3^k where Sum_{k >= 0} d_k * 8^k is the base 8 representation of n and f(k) = 0, 0, 0, 1, 2, 2, 2, 1 for k = 0..7, respectively.

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

[0, 0, 0, 1, 2, 2, 2, 1, 0, 0, 0, 1, 2, 2, 2, 1, 0, 0, 0, 1, 2, 2, 2, 1, 3, 3, 3, 4, 5, 5, 5, 4, 6, 6, 6, 7, 8, 8, 8, 7, 6, 6, 6, 7, 8, 8, 8, 7, 6, 6, 6, 7, 8, 8, 8, 7, 3, 3, 3, 4, 5, 5, 5, 4, 0, 0, 0, 1, 2, 2, 2, 1, 0, 0, 0, 1, 2, 2, 2, 1, 0, 0, 0, 1, 2, 2, 2]

cp's OEIS Frontend

A334889 a(n) = Sum_{k >= 0} f(d_k) * 3^k where Sum_{k >= 0} d_k * 8^k is the base 8 representation of n and f(k) = 0, 0, 0, 1, 2, 2, 2, 1 for k = 0..7, respectively.

Table of values

List of values

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

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

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