A225619 - cp's OEIS frontend

A225619 Composite numbers that remain composite if any digit is deleted (zero and one are not considered prime).

n	a(n)
1	44
2	46
3	48
4	49
5	64
6	66
7	68
8	69
9	84
10	86
11	88
12	94
13	96
14	98
15	99
16	104
17	106
18	108
19	120
20	122
21	124
22	125
23	126
24	128
25	140
26	142
27	144
28	145
29	146
30	148
31	150
32	152
33	154
34	155
35	156
36	158
37	160
38	162
39	164
40	165
41	166
42	168
43	180
44	182
45	184
46	185
47	186
48	188
49	204
50	206
51	208
52	210
53	212
54	214
55	215

[44, 46, 48, 49, 64, 66, 68, 69, 84, 86, 88, 94, 96, 98, 99, 104, 106, 108, 120, 122, 124, 125, 126, 128, 140, 142, 144, 145, 146, 148, 150, 152, 154, 155, 156, 158, 160, 162, 164, 165, 166, 168, 180, 182, 184, 185, 186, 188, 204, 206, 208, 210, 212, 214, 215]

cp's OEIS Frontend

A225619 Composite numbers that remain composite if any digit is deleted (zero and one are not considered prime).

Table of values

List of values

n	a(n)
1	44
2	46
3	48
4	49
5	64
6	66
7	68
8	69
9	84
10	86
11	88
12	94
13	96
14	98
15	99
16	104
17	106
18	108
19	120
20	122
21	124
22	125
23	126
24	128
25	140
26	142
27	144
28	145
29	146
30	148
31	150
32	152
33	154
34	155
35	156
36	158
37	160
38	162
39	164
40	165
41	166
42	168
43	180
44	182
45	184
46	185
47	186
48	188
49	204
50	206
51	208
52	210
53	212
54	214
55	215

n	a(n)
1	44
2	46
3	48
4	49
5	64
6	66
7	68
8	69
9	84
10	86
11	88
12	94
13	96
14	98
15	99
16	104
17	106
18	108
19	120
20	122
21	124
22	125
23	126
24	128
25	140
26	142
27	144
28	145
29	146
30	148
31	150
32	152
33	154
34	155
35	156
36	158
37	160
38	162
39	164
40	165
41	166
42	168
43	180
44	182
45	184
46	185
47	186
48	188
49	204
50	206
51	208
52	210
53	212
54	214
55	215

n	a(n)
1	44
2	46
3	48
4	49
5	64
6	66
7	68
8	69
9	84
10	86
11	88
12	94
13	96
14	98
15	99
16	104
17	106
18	108
19	120
20	122
21	124
22	125
23	126
24	128
25	140
26	142
27	144
28	145
29	146
30	148
31	150
32	152
33	154
34	155
35	156
36	158
37	160
38	162
39	164
40	165
41	166
42	168
43	180
44	182
45	184
46	185
47	186
48	188
49	204
50	206
51	208
52	210
53	212
54	214
55	215