A089017 - cp's OEIS frontend

A089017 n for which the number consisting of a string of n 3's and a terminal 1 is not prime.

n	a(n)
1	8
2	9
3	10
4	11
5	12
6	13
7	14
8	15
9	16
10	18
11	19
12	20
13	21
14	22
15	23
16	24
17	25
18	26
19	27
20	28
21	29
22	30
23	31
24	32
25	33
26	34
27	35
28	36
29	37
30	38
31	40
32	41
33	42
34	43
35	44
36	45
37	46
38	47
39	48
40	50
41	51
42	52
43	53
44	54
45	55
46	56
47	57
48	58
49	60
50	61
51	62
52	63
53	64
54	65
55	66
56	67
57	68
58	69
59	70
60	71
61	72
62	73
63	74
64	75
65	76
66	78
67	79
68	80
69	81
70	82

[8, 9, 10, 11, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 40, 41, 42, 43, 44, 45, 46, 47, 48, 50, 51, 52, 53, 54, 55, 56, 57, 58, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 78, 79, 80, 81, 82]

cp's OEIS Frontend

A089017 n for which the number consisting of a string of n 3's and a terminal 1 is not prime.

Table of values

List of values

n	a(n)
1	8
2	9
3	10
4	11
5	12
6	13
7	14
8	15
9	16
10	18
11	19
12	20
13	21
14	22
15	23
16	24
17	25
18	26
19	27
20	28
21	29
22	30
23	31
24	32
25	33
26	34
27	35
28	36
29	37
30	38
31	40
32	41
33	42
34	43
35	44
36	45
37	46
38	47
39	48
40	50
41	51
42	52
43	53
44	54
45	55
46	56
47	57
48	58
49	60
50	61
51	62
52	63
53	64
54	65
55	66
56	67
57	68
58	69
59	70
60	71
61	72
62	73
63	74
64	75
65	76
66	78
67	79
68	80
69	81
70	82

n	a(n)
1	8
2	9
3	10
4	11
5	12
6	13
7	14
8	15
9	16
10	18
11	19
12	20
13	21
14	22
15	23
16	24
17	25
18	26
19	27
20	28
21	29
22	30
23	31
24	32
25	33
26	34
27	35
28	36
29	37
30	38
31	40
32	41
33	42
34	43
35	44
36	45
37	46
38	47
39	48
40	50
41	51
42	52
43	53
44	54
45	55
46	56
47	57
48	58
49	60
50	61
51	62
52	63
53	64
54	65
55	66
56	67
57	68
58	69
59	70
60	71
61	72
62	73
63	74
64	75
65	76
66	78
67	79
68	80
69	81
70	82

n	a(n)
1	8
2	9
3	10
4	11
5	12
6	13
7	14
8	15
9	16
10	18
11	19
12	20
13	21
14	22
15	23
16	24
17	25
18	26
19	27
20	28
21	29
22	30
23	31
24	32
25	33
26	34
27	35
28	36
29	37
30	38
31	40
32	41
33	42
34	43
35	44
36	45
37	46
38	47
39	48
40	50
41	51
42	52
43	53
44	54
45	55
46	56
47	57
48	58
49	60
50	61
51	62
52	63
53	64
54	65
55	66
56	67
57	68
58	69
59	70
60	71
61	72
62	73
63	74
64	75
65	76
66	78
67	79
68	80
69	81
70	82