A112758 - cp's OEIS frontend

A112758 Number of distinct prime factors of n-th 5-smooth number.

n	a(n)
1	0
2	1
3	1
4	1
5	1
6	2
7	1
8	1
9	2
10	2
11	2
12	1
13	2
14	2
15	2
16	1
17	1
18	3
19	1
20	2
21	2
22	2
23	2
24	2
25	2
26	3
27	1
28	2
29	2
30	2
31	1
32	3
33	2
34	2
35	2
36	3
37	1
38	1
39	2
40	2
41	3
42	2
43	2
44	3
45	2
46	2
47	2
48	2
49	3
50	1
51	2
52	1
53	3
54	2
55	3
56	2
57	2
58	3
59	2
60	2
61	2
62	2
63	2
64	3
65	3
66	2
67	2
68	1
69	3
70	2
71	3
72	1
73	2
74	2
75	2
76	3
77	1
78	3
79	2
80	2
81	3
82	2
83	3
84	3
85	2
86	2
87	1
88	3
89	2
90	2
91	3
92	2
93	2
94	2
95	2
96	3
97	3
98	2
99	3
100	2
101	2
102	3
103	2
104	3
105	2

[0, 1, 1, 1, 1, 2, 1, 1, 2, 2, 2, 1, 2, 2, 2, 1, 1, 3, 1, 2, 2, 2, 2, 2, 2, 3, 1, 2, 2, 2, 1, 3, 2, 2, 2, 3, 1, 1, 2, 2, 3, 2, 2, 3, 2, 2, 2, 2, 3, 1, 2, 1, 3, 2, 3, 2, 2, 3, 2, 2, 2, 2, 2, 3, 3, 2, 2, 1, 3, 2, 3, 1, 2, 2, 2, 3, 1, 3, 2, 2, 3, 2, 3, 3, 2, 2, 1, 3, 2, 2, 3, 2, 2, 2, 2, 3, 3, 2, 3, 2, 2, 3, 2, 3, 2]

cp's OEIS Frontend

A112758 Number of distinct prime factors of n-th 5-smooth number.

Table of values

List of values

n	a(n)
1	0
2	1
3	1
4	1
5	1
6	2
7	1
8	1
9	2
10	2
11	2
12	1
13	2
14	2
15	2
16	1
17	1
18	3
19	1
20	2
21	2
22	2
23	2
24	2
25	2
26	3
27	1
28	2
29	2
30	2
31	1
32	3
33	2
34	2
35	2
36	3
37	1
38	1
39	2
40	2
41	3
42	2
43	2
44	3
45	2
46	2
47	2
48	2
49	3
50	1
51	2
52	1
53	3
54	2
55	3
56	2
57	2
58	3
59	2
60	2
61	2
62	2
63	2
64	3
65	3
66	2
67	2
68	1
69	3
70	2
71	3
72	1
73	2
74	2
75	2
76	3
77	1
78	3
79	2
80	2
81	3
82	2
83	3
84	3
85	2
86	2
87	1
88	3
89	2
90	2
91	3
92	2
93	2
94	2
95	2
96	3
97	3
98	2
99	3
100	2
101	2
102	3
103	2
104	3
105	2

n	a(n)
1	0
2	1
3	1
4	1
5	1
6	2
7	1
8	1
9	2
10	2
11	2
12	1
13	2
14	2
15	2
16	1
17	1
18	3
19	1
20	2
21	2
22	2
23	2
24	2
25	2
26	3
27	1
28	2
29	2
30	2
31	1
32	3
33	2
34	2
35	2
36	3
37	1
38	1
39	2
40	2
41	3
42	2
43	2
44	3
45	2
46	2
47	2
48	2
49	3
50	1
51	2
52	1
53	3
54	2
55	3
56	2
57	2
58	3
59	2
60	2
61	2
62	2
63	2
64	3
65	3
66	2
67	2
68	1
69	3
70	2
71	3
72	1
73	2
74	2
75	2
76	3
77	1
78	3
79	2
80	2
81	3
82	2
83	3
84	3
85	2
86	2
87	1
88	3
89	2
90	2
91	3
92	2
93	2
94	2
95	2
96	3
97	3
98	2
99	3
100	2
101	2
102	3
103	2
104	3
105	2

n	a(n)
1	0
2	1
3	1
4	1
5	1
6	2
7	1
8	1
9	2
10	2
11	2
12	1
13	2
14	2
15	2
16	1
17	1
18	3
19	1
20	2
21	2
22	2
23	2
24	2
25	2
26	3
27	1
28	2
29	2
30	2
31	1
32	3
33	2
34	2
35	2
36	3
37	1
38	1
39	2
40	2
41	3
42	2
43	2
44	3
45	2
46	2
47	2
48	2
49	3
50	1
51	2
52	1
53	3
54	2
55	3
56	2
57	2
58	3
59	2
60	2
61	2
62	2
63	2
64	3
65	3
66	2
67	2
68	1
69	3
70	2
71	3
72	1
73	2
74	2
75	2
76	3
77	1
78	3
79	2
80	2
81	3
82	2
83	3
84	3
85	2
86	2
87	1
88	3
89	2
90	2
91	3
92	2
93	2
94	2
95	2
96	3
97	3
98	2
99	3
100	2
101	2
102	3
103	2
104	3
105	2