A163622 - cp's OEIS frontend

A163622 Composite numbers such that the sum of its smallest digit and the largest digit is a prime.

n	a(n)
1	12
2	14
3	16
4	20
5	21
6	25
7	30
8	32
9	34
10	38
11	49
12	50
13	52
14	56
15	58
16	65
17	70
18	74
19	76
20	85
21	92
22	94
23	98
24	102
25	105
26	112
27	114
28	116
29	120
30	121
31	122
32	124
33	126
34	130
35	134
36	136
37	141
38	142
39	143
40	144
41	146
42	150
43	156
44	161
45	162
46	164
47	165
48	166
49	170
50	200
51	201
52	202
53	203
54	205
55	207
56	210

[12, 14, 16, 20, 21, 25, 30, 32, 34, 38, 49, 50, 52, 56, 58, 65, 70, 74, 76, 85, 92, 94, 98, 102, 105, 112, 114, 116, 120, 121, 122, 124, 126, 130, 134, 136, 141, 142, 143, 144, 146, 150, 156, 161, 162, 164, 165, 166, 170, 200, 201, 202, 203, 205, 207, 210]

cp's OEIS Frontend

A163622 Composite numbers such that the sum of its smallest digit and the largest digit is a prime.

Table of values

List of values

n	a(n)
1	12
2	14
3	16
4	20
5	21
6	25
7	30
8	32
9	34
10	38
11	49
12	50
13	52
14	56
15	58
16	65
17	70
18	74
19	76
20	85
21	92
22	94
23	98
24	102
25	105
26	112
27	114
28	116
29	120
30	121
31	122
32	124
33	126
34	130
35	134
36	136
37	141
38	142
39	143
40	144
41	146
42	150
43	156
44	161
45	162
46	164
47	165
48	166
49	170
50	200
51	201
52	202
53	203
54	205
55	207
56	210

n	a(n)
1	12
2	14
3	16
4	20
5	21
6	25
7	30
8	32
9	34
10	38
11	49
12	50
13	52
14	56
15	58
16	65
17	70
18	74
19	76
20	85
21	92
22	94
23	98
24	102
25	105
26	112
27	114
28	116
29	120
30	121
31	122
32	124
33	126
34	130
35	134
36	136
37	141
38	142
39	143
40	144
41	146
42	150
43	156
44	161
45	162
46	164
47	165
48	166
49	170
50	200
51	201
52	202
53	203
54	205
55	207
56	210

n	a(n)
1	12
2	14
3	16
4	20
5	21
6	25
7	30
8	32
9	34
10	38
11	49
12	50
13	52
14	56
15	58
16	65
17	70
18	74
19	76
20	85
21	92
22	94
23	98
24	102
25	105
26	112
27	114
28	116
29	120
30	121
31	122
32	124
33	126
34	130
35	134
36	136
37	141
38	142
39	143
40	144
41	146
42	150
43	156
44	161
45	162
46	164
47	165
48	166
49	170
50	200
51	201
52	202
53	203
54	205
55	207
56	210