A050696 - cp's OEIS frontend

A050696 At least one prime factor of composite a(n) is a substring of a(n).

n	a(n)
1	12
2	15
3	20
4	22
5	24
6	25
7	26
8	28
9	30
10	32
11	33
12	35
13	36
14	39
15	42
16	45
17	50
18	52
19	55
20	62
21	63
22	65
23	70
24	72
25	75
26	77
27	82
28	85
29	92
30	93
31	95
32	102
33	105
34	110
35	112
36	115
37	120
38	122
39	123
40	124
41	125
42	126
43	128
44	130
45	132
46	135
47	138
48	142
49	145
50	147
51	150
52	152
53	153
54	155
55	162
56	165
57	170
58	172
59	175

[12, 15, 20, 22, 24, 25, 26, 28, 30, 32, 33, 35, 36, 39, 42, 45, 50, 52, 55, 62, 63, 65, 70, 72, 75, 77, 82, 85, 92, 93, 95, 102, 105, 110, 112, 115, 120, 122, 123, 124, 125, 126, 128, 130, 132, 135, 138, 142, 145, 147, 150, 152, 153, 155, 162, 165, 170, 172, 175]

cp's OEIS Frontend

A050696 At least one prime factor of composite a(n) is a substring of a(n).

Table of values

List of values

n	a(n)
1	12
2	15
3	20
4	22
5	24
6	25
7	26
8	28
9	30
10	32
11	33
12	35
13	36
14	39
15	42
16	45
17	50
18	52
19	55
20	62
21	63
22	65
23	70
24	72
25	75
26	77
27	82
28	85
29	92
30	93
31	95
32	102
33	105
34	110
35	112
36	115
37	120
38	122
39	123
40	124
41	125
42	126
43	128
44	130
45	132
46	135
47	138
48	142
49	145
50	147
51	150
52	152
53	153
54	155
55	162
56	165
57	170
58	172
59	175

n	a(n)
1	12
2	15
3	20
4	22
5	24
6	25
7	26
8	28
9	30
10	32
11	33
12	35
13	36
14	39
15	42
16	45
17	50
18	52
19	55
20	62
21	63
22	65
23	70
24	72
25	75
26	77
27	82
28	85
29	92
30	93
31	95
32	102
33	105
34	110
35	112
36	115
37	120
38	122
39	123
40	124
41	125
42	126
43	128
44	130
45	132
46	135
47	138
48	142
49	145
50	147
51	150
52	152
53	153
54	155
55	162
56	165
57	170
58	172
59	175

n	a(n)
1	12
2	15
3	20
4	22
5	24
6	25
7	26
8	28
9	30
10	32
11	33
12	35
13	36
14	39
15	42
16	45
17	50
18	52
19	55
20	62
21	63
22	65
23	70
24	72
25	75
26	77
27	82
28	85
29	92
30	93
31	95
32	102
33	105
34	110
35	112
36	115
37	120
38	122
39	123
40	124
41	125
42	126
43	128
44	130
45	132
46	135
47	138
48	142
49	145
50	147
51	150
52	152
53	153
54	155
55	162
56	165
57	170
58	172
59	175