A025686 - cp's OEIS frontend

A025686 Exponent of 10 (value of j) in n-th number of form 4^i*10^j.

n	a(n)
1	0
2	0
3	1
4	0
5	1
6	0
7	2
8	1
9	0
10	2
11	1
12	3
13	0
14	2
15	1
16	3
17	0
18	2
19	4
20	1
21	3
22	0
23	2
24	4
25	1
26	3
27	0
28	5
29	2
30	4
31	1
32	3
33	0
34	5
35	2
36	4
37	1
38	6
39	3
40	0
41	5
42	2
43	4
44	1
45	6
46	3
47	0
48	5
49	2
50	7
51	4
52	1
53	6
54	3
55	0
56	5
57	2
58	7
59	4
60	1
61	6
62	3
63	0
64	8
65	5
66	2
67	7
68	4
69	1
70	6
71	3
72	0
73	8
74	5
75	2
76	7
77	4
78	1
79	9
80	6
81	3
82	0
83	8
84	5
85	2
86	7
87	4
88	1
89	9
90	6
91	3
92	0
93	8
94	5
95	2
96	10
97	7
98	4
99	1
100	9
101	6
102	3
103	0
104	8
105	5
106	2
107	10

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

cp's OEIS Frontend

A025686 Exponent of 10 (value of j) in n-th number of form 4^i*10^j.

Table of values

List of values

n	a(n)
1	0
2	0
3	1
4	0
5	1
6	0
7	2
8	1
9	0
10	2
11	1
12	3
13	0
14	2
15	1
16	3
17	0
18	2
19	4
20	1
21	3
22	0
23	2
24	4
25	1
26	3
27	0
28	5
29	2
30	4
31	1
32	3
33	0
34	5
35	2
36	4
37	1
38	6
39	3
40	0
41	5
42	2
43	4
44	1
45	6
46	3
47	0
48	5
49	2
50	7
51	4
52	1
53	6
54	3
55	0
56	5
57	2
58	7
59	4
60	1
61	6
62	3
63	0
64	8
65	5
66	2
67	7
68	4
69	1
70	6
71	3
72	0
73	8
74	5
75	2
76	7
77	4
78	1
79	9
80	6
81	3
82	0
83	8
84	5
85	2
86	7
87	4
88	1
89	9
90	6
91	3
92	0
93	8
94	5
95	2
96	10
97	7
98	4
99	1
100	9
101	6
102	3
103	0
104	8
105	5
106	2
107	10

n	a(n)
1	0
2	0
3	1
4	0
5	1
6	0
7	2
8	1
9	0
10	2
11	1
12	3
13	0
14	2
15	1
16	3
17	0
18	2
19	4
20	1
21	3
22	0
23	2
24	4
25	1
26	3
27	0
28	5
29	2
30	4
31	1
32	3
33	0
34	5
35	2
36	4
37	1
38	6
39	3
40	0
41	5
42	2
43	4
44	1
45	6
46	3
47	0
48	5
49	2
50	7
51	4
52	1
53	6
54	3
55	0
56	5
57	2
58	7
59	4
60	1
61	6
62	3
63	0
64	8
65	5
66	2
67	7
68	4
69	1
70	6
71	3
72	0
73	8
74	5
75	2
76	7
77	4
78	1
79	9
80	6
81	3
82	0
83	8
84	5
85	2
86	7
87	4
88	1
89	9
90	6
91	3
92	0
93	8
94	5
95	2
96	10
97	7
98	4
99	1
100	9
101	6
102	3
103	0
104	8
105	5
106	2
107	10

n	a(n)
1	0
2	0
3	1
4	0
5	1
6	0
7	2
8	1
9	0
10	2
11	1
12	3
13	0
14	2
15	1
16	3
17	0
18	2
19	4
20	1
21	3
22	0
23	2
24	4
25	1
26	3
27	0
28	5
29	2
30	4
31	1
32	3
33	0
34	5
35	2
36	4
37	1
38	6
39	3
40	0
41	5
42	2
43	4
44	1
45	6
46	3
47	0
48	5
49	2
50	7
51	4
52	1
53	6
54	3
55	0
56	5
57	2
58	7
59	4
60	1
61	6
62	3
63	0
64	8
65	5
66	2
67	7
68	4
69	1
70	6
71	3
72	0
73	8
74	5
75	2
76	7
77	4
78	1
79	9
80	6
81	3
82	0
83	8
84	5
85	2
86	7
87	4
88	1
89	9
90	6
91	3
92	0
93	8
94	5
95	2
96	10
97	7
98	4
99	1
100	9
101	6
102	3
103	0
104	8
105	5
106	2
107	10