A119888 - cp's OEIS frontend

A119888 Numbers n such that (n,R_n)>1, where R_n=(10^n -1)/9=A002275(n).

n	a(n)
1	3
2	6
3	9
4	12
5	15
6	18
7	21
8	22
9	24
10	27
11	30
12	33
13	36
14	39
15	42
16	44
17	45
18	48
19	51
20	54
21	57
22	60
23	63
24	66
25	69
26	72
27	75
28	78
29	81
30	84
31	87
32	88
33	90
34	93
35	96
36	99
37	102
38	105
39	108
40	110
41	111
42	114
43	117
44	120
45	123
46	126
47	129
48	132
49	134
50	135
51	138
52	141
53	144
54	150
55	153
56	154

[3, 6, 9, 12, 15, 18, 21, 22, 24, 27, 30, 33, 36, 39, 42, 44, 45, 48, 51, 54, 57, 60, 63, 66, 69, 72, 75, 78, 81, 84, 87, 88, 90, 93, 96, 99, 102, 105, 108, 110, 111, 114, 117, 120, 123, 126, 129, 132, 134, 135, 138, 141, 144, 150, 153, 154]

cp's OEIS Frontend

A119888 Numbers n such that (n,R_n)>1, where R_n=(10^n -1)/9=A002275(n).

Table of values

List of values

n	a(n)
1	3
2	6
3	9
4	12
5	15
6	18
7	21
8	22
9	24
10	27
11	30
12	33
13	36
14	39
15	42
16	44
17	45
18	48
19	51
20	54
21	57
22	60
23	63
24	66
25	69
26	72
27	75
28	78
29	81
30	84
31	87
32	88
33	90
34	93
35	96
36	99
37	102
38	105
39	108
40	110
41	111
42	114
43	117
44	120
45	123
46	126
47	129
48	132
49	134
50	135
51	138
52	141
53	144
54	150
55	153
56	154

n	a(n)
1	3
2	6
3	9
4	12
5	15
6	18
7	21
8	22
9	24
10	27
11	30
12	33
13	36
14	39
15	42
16	44
17	45
18	48
19	51
20	54
21	57
22	60
23	63
24	66
25	69
26	72
27	75
28	78
29	81
30	84
31	87
32	88
33	90
34	93
35	96
36	99
37	102
38	105
39	108
40	110
41	111
42	114
43	117
44	120
45	123
46	126
47	129
48	132
49	134
50	135
51	138
52	141
53	144
54	150
55	153
56	154

n	a(n)
1	3
2	6
3	9
4	12
5	15
6	18
7	21
8	22
9	24
10	27
11	30
12	33
13	36
14	39
15	42
16	44
17	45
18	48
19	51
20	54
21	57
22	60
23	63
24	66
25	69
26	72
27	75
28	78
29	81
30	84
31	87
32	88
33	90
34	93
35	96
36	99
37	102
38	105
39	108
40	110
41	111
42	114
43	117
44	120
45	123
46	126
47	129
48	132
49	134
50	135
51	138
52	141
53	144
54	150
55	153
56	154