A048858 - cp's OEIS frontend

A048858 Number of prime factors of 1+(n!)^2 (with multiplicity).

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	1
6	2
7	2
8	2
9	1
10	1
11	1
12	2
13	1
14	3
15	2
16	2
17	2
18	2
19	2
20	5
21	3
22	4
23	3
24	1
25	3
26	5
27	7
28	2
29	2
30	6
31	4
32	4
33	5
34	4
35	3
36	3
37	3
38	4
39	4
40	4
41	2
42	5
43	5
44	7
45	2
46	3
47	8
48	9
49	3
50	3
51	4
52	3
53	2
54	4
55	2
56	8
57	6
58	4
59	3
60	8
61	2
62	5
63	4
64	5
65	1
66	5
67	5
68	4
69	5
70	4

[1, 1, 1, 1, 1, 1, 2, 2, 2, 1, 1, 1, 2, 1, 3, 2, 2, 2, 2, 2, 5, 3, 4, 3, 1, 3, 5, 7, 2, 2, 6, 4, 4, 5, 4, 3, 3, 3, 4, 4, 4, 2, 5, 5, 7, 2, 3, 8, 9, 3, 3, 4, 3, 2, 4, 2, 8, 6, 4, 3, 8, 2, 5, 4, 5, 1, 5, 5, 4, 5, 4]

cp's OEIS Frontend

A048858 Number of prime factors of 1+(n!)^2 (with multiplicity).

Table of values

List of values

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	1
6	2
7	2
8	2
9	1
10	1
11	1
12	2
13	1
14	3
15	2
16	2
17	2
18	2
19	2
20	5
21	3
22	4
23	3
24	1
25	3
26	5
27	7
28	2
29	2
30	6
31	4
32	4
33	5
34	4
35	3
36	3
37	3
38	4
39	4
40	4
41	2
42	5
43	5
44	7
45	2
46	3
47	8
48	9
49	3
50	3
51	4
52	3
53	2
54	4
55	2
56	8
57	6
58	4
59	3
60	8
61	2
62	5
63	4
64	5
65	1
66	5
67	5
68	4
69	5
70	4

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	1
6	2
7	2
8	2
9	1
10	1
11	1
12	2
13	1
14	3
15	2
16	2
17	2
18	2
19	2
20	5
21	3
22	4
23	3
24	1
25	3
26	5
27	7
28	2
29	2
30	6
31	4
32	4
33	5
34	4
35	3
36	3
37	3
38	4
39	4
40	4
41	2
42	5
43	5
44	7
45	2
46	3
47	8
48	9
49	3
50	3
51	4
52	3
53	2
54	4
55	2
56	8
57	6
58	4
59	3
60	8
61	2
62	5
63	4
64	5
65	1
66	5
67	5
68	4
69	5
70	4

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	1
6	2
7	2
8	2
9	1
10	1
11	1
12	2
13	1
14	3
15	2
16	2
17	2
18	2
19	2
20	5
21	3
22	4
23	3
24	1
25	3
26	5
27	7
28	2
29	2
30	6
31	4
32	4
33	5
34	4
35	3
36	3
37	3
38	4
39	4
40	4
41	2
42	5
43	5
44	7
45	2
46	3
47	8
48	9
49	3
50	3
51	4
52	3
53	2
54	4
55	2
56	8
57	6
58	4
59	3
60	8
61	2
62	5
63	4
64	5
65	1
66	5
67	5
68	4
69	5
70	4