A172253 - cp's OEIS frontend

A172253 Numbers k such that the squarefree kernel of 9^k(9^k - 1) is 3(9^k - 1)/4.

n	a(n)
1	1
2	3
3	7
4	9
5	11
6	13
7	17
8	19
9	23
10	27
11	29
12	31
13	33
14	37
15	41
16	43
17	47
18	49
19	51
20	53
21	57
22	59
23	61
24	67
25	69
26	71
27	73
28	77
29	79
30	81
31	83
32	87
33	89
34	91
35	93
36	97
37	99
38	101
39	103
40	107
41	109
42	111
43	113
44	119
45	121
46	123
47	127
48	129
49	131
50	133
51	137
52	139
53	141
54	143
55	149
56	151
57	153
58	157
59	159
60	161

[1, 3, 7, 9, 11, 13, 17, 19, 23, 27, 29, 31, 33, 37, 41, 43, 47, 49, 51, 53, 57, 59, 61, 67, 69, 71, 73, 77, 79, 81, 83, 87, 89, 91, 93, 97, 99, 101, 103, 107, 109, 111, 113, 119, 121, 123, 127, 129, 131, 133, 137, 139, 141, 143, 149, 151, 153, 157, 159, 161]

cp's OEIS Frontend

A172253 Numbers k such that the squarefree kernel of 9^k(9^k - 1) is 3(9^k - 1)/4.

Table of values

List of values

n	a(n)
1	1
2	3
3	7
4	9
5	11
6	13
7	17
8	19
9	23
10	27
11	29
12	31
13	33
14	37
15	41
16	43
17	47
18	49
19	51
20	53
21	57
22	59
23	61
24	67
25	69
26	71
27	73
28	77
29	79
30	81
31	83
32	87
33	89
34	91
35	93
36	97
37	99
38	101
39	103
40	107
41	109
42	111
43	113
44	119
45	121
46	123
47	127
48	129
49	131
50	133
51	137
52	139
53	141
54	143
55	149
56	151
57	153
58	157
59	159
60	161

n	a(n)
1	1
2	3
3	7
4	9
5	11
6	13
7	17
8	19
9	23
10	27
11	29
12	31
13	33
14	37
15	41
16	43
17	47
18	49
19	51
20	53
21	57
22	59
23	61
24	67
25	69
26	71
27	73
28	77
29	79
30	81
31	83
32	87
33	89
34	91
35	93
36	97
37	99
38	101
39	103
40	107
41	109
42	111
43	113
44	119
45	121
46	123
47	127
48	129
49	131
50	133
51	137
52	139
53	141
54	143
55	149
56	151
57	153
58	157
59	159
60	161

cp's OEIS Frontend

A172253 Numbers k such that the squarefree kernel of 9^k*(9^k - 1) is 3*(9^k - 1)/4.

Table of values

List of values

A172253 Numbers k such that the squarefree kernel of 9^k(9^k - 1) is 3(9^k - 1)/4.

n	a(n)
1	1
2	3
3	7
4	9
5	11
6	13
7	17
8	19
9	23
10	27
11	29
12	31
13	33
14	37
15	41
16	43
17	47
18	49
19	51
20	53
21	57
22	59
23	61
24	67
25	69
26	71
27	73
28	77
29	79
30	81
31	83
32	87
33	89
34	91
35	93
36	97
37	99
38	101
39	103
40	107
41	109
42	111
43	113
44	119
45	121
46	123
47	127
48	129
49	131
50	133
51	137
52	139
53	141
54	143
55	149
56	151
57	153
58	157
59	159
60	161