A104239 - cp's OEIS frontend

A104239 Number of distinct prime factors of 135...(2n-1) (concatenation of n odd numbers).

n	a(n)
1	0
2	1
3	2
4	2
5	2
6	3
7	2
8	5
9	3
10	1
11	4
12	3
13	3
14	2
15	3
16	1
17	5
18	5
19	7
20	4
21	5
22	5
23	4
24	5
25	5
26	2
27	4
28	5
29	4
30	6
31	5
32	3
33	7
34	1
35	4
36	4
37	3
38	4
39	3
40	6
41	5
42	7
43	5
44	7
45	8
46	4
47	7
48	7
49	1
50	6

[0, 1, 2, 2, 2, 3, 2, 5, 3, 1, 4, 3, 3, 2, 3, 1, 5, 5, 7, 4, 5, 5, 4, 5, 5, 2, 4, 5, 4, 6, 5, 3, 7, 1, 4, 4, 3, 4, 3, 6, 5, 7, 5, 7, 8, 4, 7, 7, 1, 6]

cp's OEIS Frontend

A104239 Number of distinct prime factors of 135...(2n-1) (concatenation of n odd numbers).

Table of values

List of values

n	a(n)
1	0
2	1
3	2
4	2
5	2
6	3
7	2
8	5
9	3
10	1
11	4
12	3
13	3
14	2
15	3
16	1
17	5
18	5
19	7
20	4
21	5
22	5
23	4
24	5
25	5
26	2
27	4
28	5
29	4
30	6
31	5
32	3
33	7
34	1
35	4
36	4
37	3
38	4
39	3
40	6
41	5
42	7
43	5
44	7
45	8
46	4
47	7
48	7
49	1
50	6

n	a(n)
1	0
2	1
3	2
4	2
5	2
6	3
7	2
8	5
9	3
10	1
11	4
12	3
13	3
14	2
15	3
16	1
17	5
18	5
19	7
20	4
21	5
22	5
23	4
24	5
25	5
26	2
27	4
28	5
29	4
30	6
31	5
32	3
33	7
34	1
35	4
36	4
37	3
38	4
39	3
40	6
41	5
42	7
43	5
44	7
45	8
46	4
47	7
48	7
49	1
50	6

n	a(n)
1	0
2	1
3	2
4	2
5	2
6	3
7	2
8	5
9	3
10	1
11	4
12	3
13	3
14	2
15	3
16	1
17	5
18	5
19	7
20	4
21	5
22	5
23	4
24	5
25	5
26	2
27	4
28	5
29	4
30	6
31	5
32	3
33	7
34	1
35	4
36	4
37	3
38	4
39	3
40	6
41	5
42	7
43	5
44	7
45	8
46	4
47	7
48	7
49	1
50	6