A240231 - cp's OEIS frontend

A240231 Number of factors needed in the unique factorization of positive integers into terms of A186285 where any term is used at most twice.

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

[1, 1, 1, 2, 1, 2, 1, 1, 2, 2, 1, 3, 1, 2, 2, 2, 1, 3, 1, 3, 2, 2, 1, 2, 2, 2, 1, 3, 1, 3, 1, 3, 2, 2, 2, 4, 1, 2, 2, 2, 1, 3, 1, 3, 3, 2, 1, 3, 2, 3, 2, 3, 1, 2, 2, 2, 2, 2, 1, 4, 1, 2, 3, 2, 2, 3, 1, 3, 2, 3, 1, 3, 1, 2, 3, 3, 2, 3, 1, 3, 2, 2, 1, 4, 2, 2, 2, 2, 1, 4, 2, 3, 2, 2, 2, 4, 1, 3, 3, 4, 1, 3, 1, 2, 3]

cp's OEIS Frontend

A240231 Number of factors needed in the unique factorization of positive integers into terms of A186285 where any term is used at most twice.

Table of values

List of values

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

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

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