A381132 - cp's OEIS frontend

A381132 If n = (p_1^e_1)(p_2^e_2)(p_3^e_3)*... and min(p_1^e_1,p_2^e_2,...) = p_k^e_k then a(n) = pi(p_k), a(1) = 0.

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

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

cp's OEIS Frontend

A381132 If n = (p_1^e_1)(p_2^e_2)(p_3^e_3)*... and min(p_1^e_1,p_2^e_2,...) = p_k^e_k then a(n) = pi(p_k), a(1) = 0.

Table of values

List of values

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

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

cp's OEIS Frontend

A381132 If n = (p_1^e_1)*(p_2^e_2)*(p_3^e_3)*... and min(p_1^e_1,p_2^e_2,...) = p_k^e_k then a(n) = pi(p_k), a(1) = 0.

Table of values

List of values

A381132 If n = (p_1^e_1)(p_2^e_2)(p_3^e_3)*... and min(p_1^e_1,p_2^e_2,...) = p_k^e_k then a(n) = pi(p_k), a(1) = 0.

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