A079690 - cp's OEIS frontend

A079690 Number of 5's in n!.

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

[0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 1, 1, 0, 1, 0, 2, 0, 3, 3, 2, 2, 2, 4, 3, 1, 2, 2, 2, 2, 5, 1, 2, 5, 6, 5, 7, 5, 5, 8, 5, 6, 5, 2, 4, 7, 3, 3, 11, 5, 6, 5, 5, 3, 7, 6, 4, 7, 10, 3, 7, 8, 5, 10, 7, 3, 7, 13, 9, 10, 6, 9, 7, 14, 13, 1, 12, 8, 13, 13, 11, 10, 10, 12, 17, 17, 14, 15, 12]

cp's OEIS Frontend

A079690 Number of 5's in 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	0
9	0
10	0
11	0
12	0
13	0
14	0
15	0
16	0
17	2
18	1
19	1
20	0
21	1
22	0
23	2
24	0
25	3
26	3
27	2
28	2
29	2
30	4
31	3
32	1
33	2
34	2
35	2
36	2
37	5
38	1
39	2
40	5
41	6
42	5
43	7
44	5
45	5
46	8
47	5
48	6
49	5
50	2
51	4
52	7
53	3
54	3
55	11
56	5
57	6
58	5
59	5
60	3
61	7
62	6
63	4
64	7
65	10
66	3
67	7
68	8
69	5
70	10
71	7
72	3
73	7
74	13
75	9
76	10
77	6
78	9
79	7
80	14
81	13
82	1
83	12
84	8
85	13
86	13
87	11
88	10
89	10
90	12
91	17
92	17
93	14
94	15
95	12

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

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