A054897 - cp's OEIS frontend

A054897 a(n) = Sum_{k>0} floor(n/8^k).

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

[0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 9, 9, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12]

cp's OEIS Frontend

A054897 a(n) = Sum_{k>0} floor(n/8^k).

Table of values

List of values

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

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

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