A213310 - cp's OEIS frontend

A213310 Numbers with exactly 3 nonprime substrings (substrings with leading zeros are considered to be nonprime).

n	a(n)
1	10
2	14
3	16
4	18
5	40
6	44
7	46
8	48
9	49
10	60
11	64
12	66
13	68
14	69
15	80
16	81
17	84
18	86
19	88
20	90
21	91
22	94
23	96
24	98
25	99
26	117
27	123
28	127
29	132
30	133
31	135
32	139
33	153
34	157
35	167
36	171
37	172
38	175
39	177
40	193
41	211
42	213
43	217
44	222
45	225
46	230
47	234
48	236
49	238
50	241

[10, 14, 16, 18, 40, 44, 46, 48, 49, 60, 64, 66, 68, 69, 80, 81, 84, 86, 88, 90, 91, 94, 96, 98, 99, 117, 123, 127, 132, 133, 135, 139, 153, 157, 167, 171, 172, 175, 177, 193, 211, 213, 217, 222, 225, 230, 234, 236, 238, 241]

cp's OEIS Frontend

A213310 Numbers with exactly 3 nonprime substrings (substrings with leading zeros are considered to be nonprime).

Table of values

List of values

n	a(n)
1	10
2	14
3	16
4	18
5	40
6	44
7	46
8	48
9	49
10	60
11	64
12	66
13	68
14	69
15	80
16	81
17	84
18	86
19	88
20	90
21	91
22	94
23	96
24	98
25	99
26	117
27	123
28	127
29	132
30	133
31	135
32	139
33	153
34	157
35	167
36	171
37	172
38	175
39	177
40	193
41	211
42	213
43	217
44	222
45	225
46	230
47	234
48	236
49	238
50	241

n	a(n)
1	10
2	14
3	16
4	18
5	40
6	44
7	46
8	48
9	49
10	60
11	64
12	66
13	68
14	69
15	80
16	81
17	84
18	86
19	88
20	90
21	91
22	94
23	96
24	98
25	99
26	117
27	123
28	127
29	132
30	133
31	135
32	139
33	153
34	157
35	167
36	171
37	172
38	175
39	177
40	193
41	211
42	213
43	217
44	222
45	225
46	230
47	234
48	236
49	238
50	241

n	a(n)
1	10
2	14
3	16
4	18
5	40
6	44
7	46
8	48
9	49
10	60
11	64
12	66
13	68
14	69
15	80
16	81
17	84
18	86
19	88
20	90
21	91
22	94
23	96
24	98
25	99
26	117
27	123
28	127
29	132
30	133
31	135
32	139
33	153
34	157
35	167
36	171
37	172
38	175
39	177
40	193
41	211
42	213
43	217
44	222
45	225
46	230
47	234
48	236
49	238
50	241