A334888 - cp's OEIS frontend

A334888 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, 1, 2, 2, 2, 1, 0, 0 for k = 0..7, respectively.

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

[0, 1, 2, 2, 2, 1, 0, 0, 3, 4, 5, 5, 5, 4, 3, 3, 6, 7, 8, 8, 8, 7, 6, 6, 6, 7, 8, 8, 8, 7, 6, 6, 6, 7, 8, 8, 8, 7, 6, 6, 3, 4, 5, 5, 5, 4, 3, 3, 0, 1, 2, 2, 2, 1, 0, 0, 0, 1, 2, 2, 2, 1, 0, 0, 9, 10, 11, 11, 11, 10, 9, 9, 12, 13, 14, 14, 14, 13, 12, 12, 15, 16]

cp's OEIS Frontend

A334888 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, 1, 2, 2, 2, 1, 0, 0 for k = 0..7, respectively.

Table of values

List of values

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

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

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