A137581 - cp's OEIS frontend

A137581 Number of inner zeros in decimal representation of n!.

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

[0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 2, 2, 0, 1, 1, 1, 2, 3, 3, 3, 4, 1, 2, 3, 2, 3, 4, 1, 2, 0, 3, 1, 4, 1, 2, 4, 8, 4, 0, 6, 4, 4, 3, 3, 6, 1, 4, 4, 7, 6, 6, 5, 6, 5, 4, 7, 4, 6, 5, 12, 6, 7, 6, 5, 8, 7, 10, 6, 4, 9, 7, 19, 7, 7, 6, 14, 7, 11, 8, 8, 9, 11, 8, 16, 8, 7, 8, 14, 7, 8, 8, 11, 16, 10, 14, 4, 13]

cp's OEIS Frontend

A137581 Number of inner zeros in decimal representation of n!.

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

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

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