A262511 - cp's OEIS frontend

A262511 Numbers k for which there is exactly one solution to x - d(x) = k, where d(k) is the number of divisors of k (A000005). Positions of ones in A060990.

n	a(n)
1	2
2	3
3	4
4	5
5	9
6	10
7	12
8	14
9	15
10	16
11	18
12	21
13	23
14	26
15	30
16	31
17	32
18	41
19	42
20	44
21	45
22	47
23	53
24	54
25	59
26	60
27	61
28	71
29	72
30	73
31	76
32	77
33	80
34	82
35	83
36	84
37	86
38	89
39	90
40	92
41	93
42	94
43	95
44	97
45	99
46	101
47	104
48	105
49	106
50	110
51	115
52	119
53	121
54	122
55	127
56	135
57	139
58	146
59	148
60	149
61	151
62	154
63	158
64	161
65	169
66	171
67	173
68	176
69	177
70	183
71	186
72	188
73	189
74	190
75	191
76	192
77	194
78	195
79	199
80	200
81	202

[2, 3, 4, 5, 9, 10, 12, 14, 15, 16, 18, 21, 23, 26, 30, 31, 32, 41, 42, 44, 45, 47, 53, 54, 59, 60, 61, 71, 72, 73, 76, 77, 80, 82, 83, 84, 86, 89, 90, 92, 93, 94, 95, 97, 99, 101, 104, 105, 106, 110, 115, 119, 121, 122, 127, 135, 139, 146, 148, 149, 151, 154, 158, 161, 169, 171, 173, 176, 177, 183, 186, 188, 189, 190, 191, 192, 194, 195, 199, 200, 202]

cp's OEIS Frontend

A262511 Numbers k for which there is exactly one solution to x - d(x) = k, where d(k) is the number of divisors of k (A000005). Positions of ones in A060990.

Table of values

List of values

n	a(n)
1	2
2	3
3	4
4	5
5	9
6	10
7	12
8	14
9	15
10	16
11	18
12	21
13	23
14	26
15	30
16	31
17	32
18	41
19	42
20	44
21	45
22	47
23	53
24	54
25	59
26	60
27	61
28	71
29	72
30	73
31	76
32	77
33	80
34	82
35	83
36	84
37	86
38	89
39	90
40	92
41	93
42	94
43	95
44	97
45	99
46	101
47	104
48	105
49	106
50	110
51	115
52	119
53	121
54	122
55	127
56	135
57	139
58	146
59	148
60	149
61	151
62	154
63	158
64	161
65	169
66	171
67	173
68	176
69	177
70	183
71	186
72	188
73	189
74	190
75	191
76	192
77	194
78	195
79	199
80	200
81	202

n	a(n)
1	2
2	3
3	4
4	5
5	9
6	10
7	12
8	14
9	15
10	16
11	18
12	21
13	23
14	26
15	30
16	31
17	32
18	41
19	42
20	44
21	45
22	47
23	53
24	54
25	59
26	60
27	61
28	71
29	72
30	73
31	76
32	77
33	80
34	82
35	83
36	84
37	86
38	89
39	90
40	92
41	93
42	94
43	95
44	97
45	99
46	101
47	104
48	105
49	106
50	110
51	115
52	119
53	121
54	122
55	127
56	135
57	139
58	146
59	148
60	149
61	151
62	154
63	158
64	161
65	169
66	171
67	173
68	176
69	177
70	183
71	186
72	188
73	189
74	190
75	191
76	192
77	194
78	195
79	199
80	200
81	202

n	a(n)
1	2
2	3
3	4
4	5
5	9
6	10
7	12
8	14
9	15
10	16
11	18
12	21
13	23
14	26
15	30
16	31
17	32
18	41
19	42
20	44
21	45
22	47
23	53
24	54
25	59
26	60
27	61
28	71
29	72
30	73
31	76
32	77
33	80
34	82
35	83
36	84
37	86
38	89
39	90
40	92
41	93
42	94
43	95
44	97
45	99
46	101
47	104
48	105
49	106
50	110
51	115
52	119
53	121
54	122
55	127
56	135
57	139
58	146
59	148
60	149
61	151
62	154
63	158
64	161
65	169
66	171
67	173
68	176
69	177
70	183
71	186
72	188
73	189
74	190
75	191
76	192
77	194
78	195
79	199
80	200
81	202