A025673 - cp's OEIS frontend

A025673 Exponent of 8 (value of j) in n-th number of form 5^i*8^j.

n	a(n)
1	0
2	0
3	1
4	0
5	1
6	2
7	0
8	1
9	2
10	3
11	0
12	1
13	2
14	3
15	0
16	4
17	1
18	2
19	3
20	0
21	4
22	1
23	5
24	2
25	3
26	0
27	4
28	1
29	5
30	2
31	6
32	3
33	0
34	4
35	1
36	5
37	2
38	6
39	3
40	0
41	7
42	4
43	1
44	5
45	2
46	6
47	3
48	0
49	7
50	4
51	1
52	8
53	5
54	2
55	6
56	3
57	0
58	7
59	4
60	1
61	8
62	5
63	2
64	9
65	6
66	3
67	0
68	7
69	4
70	1
71	8
72	5
73	2
74	9
75	6
76	3
77	10
78	0
79	7
80	4
81	1
82	8
83	5
84	2
85	9
86	6
87	3
88	10
89	0
90	7
91	4
92	11
93	1
94	8
95	5
96	2
97	9
98	6
99	3
100	10
101	0
102	7
103	4
104	11
105	1

[0, 0, 1, 0, 1, 2, 0, 1, 2, 3, 0, 1, 2, 3, 0, 4, 1, 2, 3, 0, 4, 1, 5, 2, 3, 0, 4, 1, 5, 2, 6, 3, 0, 4, 1, 5, 2, 6, 3, 0, 7, 4, 1, 5, 2, 6, 3, 0, 7, 4, 1, 8, 5, 2, 6, 3, 0, 7, 4, 1, 8, 5, 2, 9, 6, 3, 0, 7, 4, 1, 8, 5, 2, 9, 6, 3, 10, 0, 7, 4, 1, 8, 5, 2, 9, 6, 3, 10, 0, 7, 4, 11, 1, 8, 5, 2, 9, 6, 3, 10, 0, 7, 4, 11, 1]

cp's OEIS Frontend

A025673 Exponent of 8 (value of j) in n-th number of form 5^i*8^j.

Table of values

List of values

n	a(n)
1	0
2	0
3	1
4	0
5	1
6	2
7	0
8	1
9	2
10	3
11	0
12	1
13	2
14	3
15	0
16	4
17	1
18	2
19	3
20	0
21	4
22	1
23	5
24	2
25	3
26	0
27	4
28	1
29	5
30	2
31	6
32	3
33	0
34	4
35	1
36	5
37	2
38	6
39	3
40	0
41	7
42	4
43	1
44	5
45	2
46	6
47	3
48	0
49	7
50	4
51	1
52	8
53	5
54	2
55	6
56	3
57	0
58	7
59	4
60	1
61	8
62	5
63	2
64	9
65	6
66	3
67	0
68	7
69	4
70	1
71	8
72	5
73	2
74	9
75	6
76	3
77	10
78	0
79	7
80	4
81	1
82	8
83	5
84	2
85	9
86	6
87	3
88	10
89	0
90	7
91	4
92	11
93	1
94	8
95	5
96	2
97	9
98	6
99	3
100	10
101	0
102	7
103	4
104	11
105	1

n	a(n)
1	0
2	0
3	1
4	0
5	1
6	2
7	0
8	1
9	2
10	3
11	0
12	1
13	2
14	3
15	0
16	4
17	1
18	2
19	3
20	0
21	4
22	1
23	5
24	2
25	3
26	0
27	4
28	1
29	5
30	2
31	6
32	3
33	0
34	4
35	1
36	5
37	2
38	6
39	3
40	0
41	7
42	4
43	1
44	5
45	2
46	6
47	3
48	0
49	7
50	4
51	1
52	8
53	5
54	2
55	6
56	3
57	0
58	7
59	4
60	1
61	8
62	5
63	2
64	9
65	6
66	3
67	0
68	7
69	4
70	1
71	8
72	5
73	2
74	9
75	6
76	3
77	10
78	0
79	7
80	4
81	1
82	8
83	5
84	2
85	9
86	6
87	3
88	10
89	0
90	7
91	4
92	11
93	1
94	8
95	5
96	2
97	9
98	6
99	3
100	10
101	0
102	7
103	4
104	11
105	1

n	a(n)
1	0
2	0
3	1
4	0
5	1
6	2
7	0
8	1
9	2
10	3
11	0
12	1
13	2
14	3
15	0
16	4
17	1
18	2
19	3
20	0
21	4
22	1
23	5
24	2
25	3
26	0
27	4
28	1
29	5
30	2
31	6
32	3
33	0
34	4
35	1
36	5
37	2
38	6
39	3
40	0
41	7
42	4
43	1
44	5
45	2
46	6
47	3
48	0
49	7
50	4
51	1
52	8
53	5
54	2
55	6
56	3
57	0
58	7
59	4
60	1
61	8
62	5
63	2
64	9
65	6
66	3
67	0
68	7
69	4
70	1
71	8
72	5
73	2
74	9
75	6
76	3
77	10
78	0
79	7
80	4
81	1
82	8
83	5
84	2
85	9
86	6
87	3
88	10
89	0
90	7
91	4
92	11
93	1
94	8
95	5
96	2
97	9
98	6
99	3
100	10
101	0
102	7
103	4
104	11
105	1