A284009 - cp's OEIS frontend

A284009 Number of primes (counted with multiplicity) dividing lcm(A260443(n), A260443(n+1)): a(n) = A001222(A284008(n)).

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

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

cp's OEIS Frontend

A284009 Number of primes (counted with multiplicity) dividing lcm(A260443(n), A260443(n+1)): a(n) = A001222(A284008(n)).

Table of values

List of values

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

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

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