A079688 - cp's OEIS frontend

A079688 Number of 4's in n!.

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

[0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 1, 2, 2, 3, 1, 2, 4, 2, 3, 2, 4, 3, 1, 1, 0, 3, 4, 3, 3, 3, 3, 3, 4, 3, 6, 2, 5, 4, 3, 3, 4, 3, 7, 3, 5, 7, 6, 6, 13, 8, 8, 7, 10, 4, 4, 8, 10, 8, 16, 10, 7, 13, 6, 5, 10, 7, 7, 13, 11, 11, 10, 4, 13, 13, 16, 10, 8, 15, 14, 10, 18, 6, 13, 12, 17, 12]

cp's OEIS Frontend

A079688 Number of 4's in n!.

Table of values

List of values

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

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

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