A175859 - cp's OEIS frontend

A175859 a(n) = numbers k in increasing order such that A175856(m) = k has no solution for any m, where A175856(m): a(m) = m for m = noncomposites, a(m) = previous term - 1 for m = composites.

n	a(n)
1	8
2	9
3	14
4	15
5	24
6	25
7	32
8	33
9	38
10	39
11	54
12	55
13	62
14	63
15	74
16	75
17	90
18	91
19	92
20	93
21	98
22	99
23	114
24	115
25	116
26	117
27	118
28	119
29	120
30	121
31	122
32	123
33	140
34	141
35	142
36	143
37	144
38	145
39	158
40	159
41	182
42	183
43	184
44	185
45	186
46	187
47	212
48	213

[8, 9, 14, 15, 24, 25, 32, 33, 38, 39, 54, 55, 62, 63, 74, 75, 90, 91, 92, 93, 98, 99, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 140, 141, 142, 143, 144, 145, 158, 159, 182, 183, 184, 185, 186, 187, 212, 213]

cp's OEIS Frontend

A175859 a(n) = numbers k in increasing order such that A175856(m) = k has no solution for any m, where A175856(m): a(m) = m for m = noncomposites, a(m) = previous term - 1 for m = composites.

Table of values

List of values

n	a(n)
1	8
2	9
3	14
4	15
5	24
6	25
7	32
8	33
9	38
10	39
11	54
12	55
13	62
14	63
15	74
16	75
17	90
18	91
19	92
20	93
21	98
22	99
23	114
24	115
25	116
26	117
27	118
28	119
29	120
30	121
31	122
32	123
33	140
34	141
35	142
36	143
37	144
38	145
39	158
40	159
41	182
42	183
43	184
44	185
45	186
46	187
47	212
48	213

n	a(n)
1	8
2	9
3	14
4	15
5	24
6	25
7	32
8	33
9	38
10	39
11	54
12	55
13	62
14	63
15	74
16	75
17	90
18	91
19	92
20	93
21	98
22	99
23	114
24	115
25	116
26	117
27	118
28	119
29	120
30	121
31	122
32	123
33	140
34	141
35	142
36	143
37	144
38	145
39	158
40	159
41	182
42	183
43	184
44	185
45	186
46	187
47	212
48	213

n	a(n)
1	8
2	9
3	14
4	15
5	24
6	25
7	32
8	33
9	38
10	39
11	54
12	55
13	62
14	63
15	74
16	75
17	90
18	91
19	92
20	93
21	98
22	99
23	114
24	115
25	116
26	117
27	118
28	119
29	120
30	121
31	122
32	123
33	140
34	141
35	142
36	143
37	144
38	145
39	158
40	159
41	182
42	183
43	184
44	185
45	186
46	187
47	212
48	213