A060990 - cp's OEIS frontend

A060990 Number of solutions to x - d(x) = n, where d(n) is the number of divisors of n (A000005).

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

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

cp's OEIS Frontend

A060990 Number of solutions to x - d(x) = n, where d(n) is the number of divisors of n (A000005).

Table of values

List of values

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

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

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