A054896 - cp's OEIS frontend

A054896 a(n) = Sum_{k>0} floor(n/7^k).

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

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

cp's OEIS Frontend

A054896 a(n) = Sum_{k>0} floor(n/7^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	1
8	1
9	1
10	1
11	1
12	1
13	1
14	2
15	2
16	2
17	2
18	2
19	2
20	2
21	3
22	3
23	3
24	3
25	3
26	3
27	3
28	4
29	4
30	4
31	4
32	4
33	4
34	4
35	5
36	5
37	5
38	5
39	5
40	5
41	5
42	6
43	6
44	6
45	6
46	6
47	6
48	6
49	8
50	8
51	8
52	8
53	8
54	8
55	8
56	9
57	9
58	9
59	9
60	9
61	9
62	9
63	10
64	10
65	10
66	10
67	10
68	10
69	10
70	11
71	11
72	11
73	11
74	11
75	11
76	11
77	12
78	12
79	12
80	12
81	12
82	12
83	12
84	13
85	13
86	13
87	13
88	13
89	13

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

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