A321991 - cp's OEIS frontend

A321991 a(n) = round(1/frac(log(n!))) for n > 1; a(0) = a(1) = 0.

n	a(n)
0	0
1	0
2	1
3	1
4	6
5	1
6	2
7	2
8	2
9	1
10	10
11	2
12	1
13	2
14	5
15	1
16	1
17	2
18	3
19	3
20	3
21	3
22	2
23	2
24	1
25	277
26	4
27	2
28	1
29	4
30	2
31	11
32	2
33	18
34	2
35	7
36	1
37	3
38	1
39	2
40	3
41	29
42	1
43	2
44	3
45	8
46	1
47	1
48	1
49	2
50	2
51	2
52	3
53	3
54	3
55	3
56	3
57	3
58	2
59	2
60	2
61	1
62	1
63	107
64	6
65	3
66	2
67	1
68	1
69	5
70	2
71	1
72	1
73	4
74	2
75	1
76	5
77	2
78	1
79	3
80	1
81	15
82	2
83	1
84	3
85	1
86	5
87	1
88	6
89	2
90	7

[0, 0, 1, 1, 6, 1, 2, 2, 2, 1, 10, 2, 1, 2, 5, 1, 1, 2, 3, 3, 3, 3, 2, 2, 1, 277, 4, 2, 1, 4, 2, 11, 2, 18, 2, 7, 1, 3, 1, 2, 3, 29, 1, 2, 3, 8, 1, 1, 1, 2, 2, 2, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 107, 6, 3, 2, 1, 1, 5, 2, 1, 1, 4, 2, 1, 5, 2, 1, 3, 1, 15, 2, 1, 3, 1, 5, 1, 6, 2, 7]

cp's OEIS Frontend

A321991 a(n) = round(1/frac(log(n!))) for n > 1; a(0) = a(1) = 0.

Table of values

List of values

n	a(n)
0	0
1	0
2	1
3	1
4	6
5	1
6	2
7	2
8	2
9	1
10	10
11	2
12	1
13	2
14	5
15	1
16	1
17	2
18	3
19	3
20	3
21	3
22	2
23	2
24	1
25	277
26	4
27	2
28	1
29	4
30	2
31	11
32	2
33	18
34	2
35	7
36	1
37	3
38	1
39	2
40	3
41	29
42	1
43	2
44	3
45	8
46	1
47	1
48	1
49	2
50	2
51	2
52	3
53	3
54	3
55	3
56	3
57	3
58	2
59	2
60	2
61	1
62	1
63	107
64	6
65	3
66	2
67	1
68	1
69	5
70	2
71	1
72	1
73	4
74	2
75	1
76	5
77	2
78	1
79	3
80	1
81	15
82	2
83	1
84	3
85	1
86	5
87	1
88	6
89	2
90	7

n	a(n)
0	0
1	0
2	1
3	1
4	6
5	1
6	2
7	2
8	2
9	1
10	10
11	2
12	1
13	2
14	5
15	1
16	1
17	2
18	3
19	3
20	3
21	3
22	2
23	2
24	1
25	277
26	4
27	2
28	1
29	4
30	2
31	11
32	2
33	18
34	2
35	7
36	1
37	3
38	1
39	2
40	3
41	29
42	1
43	2
44	3
45	8
46	1
47	1
48	1
49	2
50	2
51	2
52	3
53	3
54	3
55	3
56	3
57	3
58	2
59	2
60	2
61	1
62	1
63	107
64	6
65	3
66	2
67	1
68	1
69	5
70	2
71	1
72	1
73	4
74	2
75	1
76	5
77	2
78	1
79	3
80	1
81	15
82	2
83	1
84	3
85	1
86	5
87	1
88	6
89	2
90	7

n	a(n)
0	0
1	0
2	1
3	1
4	6
5	1
6	2
7	2
8	2
9	1
10	10
11	2
12	1
13	2
14	5
15	1
16	1
17	2
18	3
19	3
20	3
21	3
22	2
23	2
24	1
25	277
26	4
27	2
28	1
29	4
30	2
31	11
32	2
33	18
34	2
35	7
36	1
37	3
38	1
39	2
40	3
41	29
42	1
43	2
44	3
45	8
46	1
47	1
48	1
49	2
50	2
51	2
52	3
53	3
54	3
55	3
56	3
57	3
58	2
59	2
60	2
61	1
62	1
63	107
64	6
65	3
66	2
67	1
68	1
69	5
70	2
71	1
72	1
73	4
74	2
75	1
76	5
77	2
78	1
79	3
80	1
81	15
82	2
83	1
84	3
85	1
86	5
87	1
88	6
89	2
90	7