A188795 - cp's OEIS frontend

A188795 a(n) counts all integers k in [2,floor(sqrt(n))] such that the number of divisors d>1 of n-k with k|(n-d) equals A188550(n).

n	a(n)
4	1
5	1
6	1
7	1
8	1
9	1
10	1
11	2
12	2
13	2
14	1
15	1
16	2
17	1
18	1
19	2
20	2
21	1
22	1
23	2
24	3
25	1
26	1
27	1
28	1
29	1
30	1
31	1
32	1
33	1
34	1
35	1
36	1
37	1
38	1
39	1
40	1
41	1
42	1
43	1
44	2
45	2
46	2
47	1
48	1
49	1
50	1
51	1
52	1
53	3
54	2
55	1
56	1
57	1
58	1
59	1
60	1
61	6
62	1
63	1
64	1
65	1
66	1
67	3
68	1
69	2
70	2
71	3
72	2
73	1
74	1
75	1
76	1
77	1
78	1
79	4
80	2
81	2
82	1
83	1
84	1
85	1
86	1
87	1
88	2
89	3
90	1
91	1
92	1
93	1
94	1
95	1
96	1
97	2
98	1
99	1
100	1
101	1
102	1
103	1
104	1
105	1
106	1
107	1
108	2
109	1
110	1
111	1
112	3
113	1
114	1

[1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 1, 1, 2, 1, 1, 2, 2, 1, 1, 2, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 1, 1, 1, 1, 1, 1, 3, 2, 1, 1, 1, 1, 1, 1, 6, 1, 1, 1, 1, 1, 3, 1, 2, 2, 3, 2, 1, 1, 1, 1, 1, 1, 4, 2, 2, 1, 1, 1, 1, 1, 1, 2, 3, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 3, 1, 1]

cp's OEIS Frontend

A188795 a(n) counts all integers k in [2,floor(sqrt(n))] such that the number of divisors d>1 of n-k with k|(n-d) equals A188550(n).

Table of values

List of values

n	a(n)
4	1
5	1
6	1
7	1
8	1
9	1
10	1
11	2
12	2
13	2
14	1
15	1
16	2
17	1
18	1
19	2
20	2
21	1
22	1
23	2
24	3
25	1
26	1
27	1
28	1
29	1
30	1
31	1
32	1
33	1
34	1
35	1
36	1
37	1
38	1
39	1
40	1
41	1
42	1
43	1
44	2
45	2
46	2
47	1
48	1
49	1
50	1
51	1
52	1
53	3
54	2
55	1
56	1
57	1
58	1
59	1
60	1
61	6
62	1
63	1
64	1
65	1
66	1
67	3
68	1
69	2
70	2
71	3
72	2
73	1
74	1
75	1
76	1
77	1
78	1
79	4
80	2
81	2
82	1
83	1
84	1
85	1
86	1
87	1
88	2
89	3
90	1
91	1
92	1
93	1
94	1
95	1
96	1
97	2
98	1
99	1
100	1
101	1
102	1
103	1
104	1
105	1
106	1
107	1
108	2
109	1
110	1
111	1
112	3
113	1
114	1

n	a(n)
4	1
5	1
6	1
7	1
8	1
9	1
10	1
11	2
12	2
13	2
14	1
15	1
16	2
17	1
18	1
19	2
20	2
21	1
22	1
23	2
24	3
25	1
26	1
27	1
28	1
29	1
30	1
31	1
32	1
33	1
34	1
35	1
36	1
37	1
38	1
39	1
40	1
41	1
42	1
43	1
44	2
45	2
46	2
47	1
48	1
49	1
50	1
51	1
52	1
53	3
54	2
55	1
56	1
57	1
58	1
59	1
60	1
61	6
62	1
63	1
64	1
65	1
66	1
67	3
68	1
69	2
70	2
71	3
72	2
73	1
74	1
75	1
76	1
77	1
78	1
79	4
80	2
81	2
82	1
83	1
84	1
85	1
86	1
87	1
88	2
89	3
90	1
91	1
92	1
93	1
94	1
95	1
96	1
97	2
98	1
99	1
100	1
101	1
102	1
103	1
104	1
105	1
106	1
107	1
108	2
109	1
110	1
111	1
112	3
113	1
114	1

n	a(n)
4	1
5	1
6	1
7	1
8	1
9	1
10	1
11	2
12	2
13	2
14	1
15	1
16	2
17	1
18	1
19	2
20	2
21	1
22	1
23	2
24	3
25	1
26	1
27	1
28	1
29	1
30	1
31	1
32	1
33	1
34	1
35	1
36	1
37	1
38	1
39	1
40	1
41	1
42	1
43	1
44	2
45	2
46	2
47	1
48	1
49	1
50	1
51	1
52	1
53	3
54	2
55	1
56	1
57	1
58	1
59	1
60	1
61	6
62	1
63	1
64	1
65	1
66	1
67	3
68	1
69	2
70	2
71	3
72	2
73	1
74	1
75	1
76	1
77	1
78	1
79	4
80	2
81	2
82	1
83	1
84	1
85	1
86	1
87	1
88	2
89	3
90	1
91	1
92	1
93	1
94	1
95	1
96	1
97	2
98	1
99	1
100	1
101	1
102	1
103	1
104	1
105	1
106	1
107	1
108	2
109	1
110	1
111	1
112	3
113	1
114	1