A302039 - cp's OEIS frontend

A302039 Analog of A056239 for nonstandard factorization based on the sieve of Eratosthenes (A083221).

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

[0, 1, 2, 2, 3, 3, 4, 3, 4, 4, 5, 4, 6, 5, 5, 4, 7, 5, 8, 5, 6, 6, 9, 5, 6, 7, 6, 6, 10, 6, 11, 5, 7, 8, 7, 6, 12, 9, 7, 6, 13, 7, 14, 7, 8, 10, 15, 6, 8, 7, 8, 8, 16, 7, 9, 7, 8, 11, 17, 7, 18, 12, 8, 6, 8, 8, 19, 9, 9, 8, 20, 7, 21, 13, 9, 10, 9, 8, 22, 7, 9, 14, 23, 8, 10, 15, 9, 8, 24, 9, 12, 11, 10, 16, 9, 7, 25, 9, 10, 8, 26, 9, 27, 9, 10]

cp's OEIS Frontend

A302039 Analog of A056239 for nonstandard factorization based on the sieve of Eratosthenes (A083221).

Table of values

List of values

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

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

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