A153380 - cp's OEIS frontend

A153380 Numbers n such that 10*n+9 is not prime.

n	a(n)
1	0
2	3
3	4
4	6
5	9
6	11
7	12
8	15
9	16
10	18
11	20
12	21
13	24
14	25
15	27
16	28
17	29
18	30
19	31
20	32
21	33
22	36
23	39
24	42
25	45
26	46
27	48
28	51
29	52
30	53
31	54
32	55
33	57
34	58
35	60
36	62
37	63
38	64
39	66
40	67
41	68
42	69
43	72
44	74
45	75
46	77
47	78
48	79
49	81
50	84
51	86
52	87
53	88
54	89
55	90
56	93
57	94
58	95
59	96
60	97
61	98
62	99
63	102

[0, 3, 4, 6, 9, 11, 12, 15, 16, 18, 20, 21, 24, 25, 27, 28, 29, 30, 31, 32, 33, 36, 39, 42, 45, 46, 48, 51, 52, 53, 54, 55, 57, 58, 60, 62, 63, 64, 66, 67, 68, 69, 72, 74, 75, 77, 78, 79, 81, 84, 86, 87, 88, 89, 90, 93, 94, 95, 96, 97, 98, 99, 102]

cp's OEIS Frontend

A153380 Numbers n such that 10*n+9 is not prime.

Table of values

List of values

n	a(n)
1	0
2	3
3	4
4	6
5	9
6	11
7	12
8	15
9	16
10	18
11	20
12	21
13	24
14	25
15	27
16	28
17	29
18	30
19	31
20	32
21	33
22	36
23	39
24	42
25	45
26	46
27	48
28	51
29	52
30	53
31	54
32	55
33	57
34	58
35	60
36	62
37	63
38	64
39	66
40	67
41	68
42	69
43	72
44	74
45	75
46	77
47	78
48	79
49	81
50	84
51	86
52	87
53	88
54	89
55	90
56	93
57	94
58	95
59	96
60	97
61	98
62	99
63	102

n	a(n)
1	0
2	3
3	4
4	6
5	9
6	11
7	12
8	15
9	16
10	18
11	20
12	21
13	24
14	25
15	27
16	28
17	29
18	30
19	31
20	32
21	33
22	36
23	39
24	42
25	45
26	46
27	48
28	51
29	52
30	53
31	54
32	55
33	57
34	58
35	60
36	62
37	63
38	64
39	66
40	67
41	68
42	69
43	72
44	74
45	75
46	77
47	78
48	79
49	81
50	84
51	86
52	87
53	88
54	89
55	90
56	93
57	94
58	95
59	96
60	97
61	98
62	99
63	102

n	a(n)
1	0
2	3
3	4
4	6
5	9
6	11
7	12
8	15
9	16
10	18
11	20
12	21
13	24
14	25
15	27
16	28
17	29
18	30
19	31
20	32
21	33
22	36
23	39
24	42
25	45
26	46
27	48
28	51
29	52
30	53
31	54
32	55
33	57
34	58
35	60
36	62
37	63
38	64
39	66
40	67
41	68
42	69
43	72
44	74
45	75
46	77
47	78
48	79
49	81
50	84
51	86
52	87
53	88
54	89
55	90
56	93
57	94
58	95
59	96
60	97
61	98
62	99
63	102