A330755 - cp's OEIS frontend

A330755 Number of values of k, 1 <= k <= n, with A034684(k) = A034684(n), where A034684 gives the smallest unitary divisor of n that is larger than 1.

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

[1, 1, 1, 1, 1, 2, 1, 1, 1, 3, 1, 2, 1, 4, 3, 1, 1, 5, 1, 2, 4, 6, 1, 5, 1, 7, 1, 3, 1, 8, 1, 1, 6, 9, 2, 4, 1, 10, 7, 3, 1, 11, 1, 5, 4, 12, 1, 8, 1, 13, 9, 6, 1, 14, 5, 2, 10, 15, 1, 11, 1, 16, 3, 1, 6, 17, 1, 7, 12, 18, 1, 2, 1, 19, 13, 8, 4, 20, 1, 7, 1, 21, 1, 14, 8, 22, 15, 3, 1, 23, 5, 9, 16, 24, 9, 17, 1, 25, 2, 10, 1, 26, 1, 4, 18]

cp's OEIS Frontend

A330755 Number of values of k, 1 <= k <= n, with A034684(k) = A034684(n), where A034684 gives the smallest unitary divisor of n that is larger than 1.

Table of values

List of values

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

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

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