A073081 - cp's OEIS frontend

A073081 Greatest k such that k! divides sigma(n!).

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

[1, 1, 3, 3, 5, 3, 4, 6, 6, 2, 4, 4, 4, 7, 7, 7, 7, 4, 9, 7, 8, 8, 11, 8, 8, 10, 10, 9, 10, 13, 14, 13, 6, 10, 10, 10, 10, 10, 10, 12, 12, 12, 12, 12, 12, 8, 11, 11, 12, 19, 21, 16, 16, 16, 14, 14, 12, 16, 16, 16, 16, 16, 16, 22, 21, 21, 21, 19, 19, 20, 20, 20, 20, 22, 21, 21, 19, 14]

cp's OEIS Frontend

A073081 Greatest k such that k! divides sigma(n!).

Table of values

List of values

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

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

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