A060826 - cp's OEIS frontend

A060826 a(n) is the largest number such that 3^a(n) [also 6^a(n)] divides A025487(n) (least prime signatures).

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

[0, 0, 0, 1, 0, 1, 0, 1, 1, 0, 2, 1, 1, 0, 2, 1, 1, 0, 2, 2, 1, 1, 3, 1, 0, 2, 2, 1, 1, 3, 1, 0, 2, 2, 1, 1, 3, 2, 1, 0, 3, 2, 2, 4, 2, 1, 1, 3, 2, 1, 0, 3, 2, 1, 2, 4, 2, 1, 1, 3, 2, 1, 0, 3, 2, 1, 2, 4, 3, 2, 1, 2, 4, 1, 3, 2, 3, 1, 5, 0, 3, 2, 1, 2, 4, 3, 2, 1, 2, 4, 1, 3, 2, 2, 3, 1, 5, 0, 3, 2, 1, 2, 4, 3, 2]

cp's OEIS Frontend

A060826 a(n) is the largest number such that 3^a(n) [also 6^a(n)] divides A025487(n) (least prime signatures).

Table of values

List of values

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

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

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