A079694 - cp's OEIS frontend

A079694 Number of 9's in n!.

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

[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 1, 0, 1, 0, 2, 1, 0, 0, 1, 3, 0, 1, 2, 2, 1, 1, 0, 4, 2, 1, 2, 2, 5, 3, 7, 4, 1, 5, 5, 0, 4, 2, 2, 4, 6, 7, 3, 2, 2, 3, 3, 6, 4, 6, 6, 5, 6, 8, 6, 7, 6, 7, 5, 6, 6, 8, 8, 7, 12, 5, 7, 5, 7, 10, 12, 7, 6, 9, 5, 12, 13, 12, 10, 9, 9, 10, 13, 18, 14, 12, 7, 7, 7, 15, 20, 16]

cp's OEIS Frontend

A079694 Number of 9'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	0
8	0
9	0
10	0
11	2
12	1
13	0
14	1
15	0
16	2
17	1
18	0
19	0
20	1
21	3
22	0
23	1
24	2
25	2
26	1
27	1
28	0
29	4
30	2
31	1
32	2
33	2
34	5
35	3
36	7
37	4
38	1
39	5
40	5
41	0
42	4
43	2
44	2
45	4
46	6
47	7
48	3
49	2
50	2
51	3
52	3
53	6
54	4
55	6
56	6
57	5
58	6
59	8
60	6
61	7
62	6
63	7
64	5
65	6
66	6
67	8
68	8
69	7
70	12
71	5
72	7
73	5
74	7
75	10
76	12
77	7
78	6
79	9
80	5
81	12
82	13
83	12
84	10
85	9
86	9
87	10
88	13
89	18
90	14
91	12
92	7
93	7
94	7
95	15
96	20
97	16

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

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