A104426 - cp's OEIS frontend

A104426 Numbers k such that the digit 6 does not appear in the decimal expansion of k, Pk, Pk+k, Pk-k, or Pk*k, where Pk is the k-th prime.

n	a(n)
1	1
2	3
3	4
4	7
5	8
6	9
7	10
8	11
9	12
10	13
11	20
12	21
13	22
14	25
15	30
16	33
17	35
18	37
19	41
20	43
21	44
22	48
23	50
24	51
25	52
26	53
27	54
28	55
29	58
30	70
31	72
32	75
33	80
34	81
35	82
36	83
37	85
38	93
39	95
40	128
41	149
42	152
43	170
44	171
45	174
46	184
47	185
48	187
49	188
50	189
51	194
52	198
53	201
54	203
55	210
56	212
57	215
58	217
59	233
60	235
61	238
62	242
63	245

[1, 3, 4, 7, 8, 9, 10, 11, 12, 13, 20, 21, 22, 25, 30, 33, 35, 37, 41, 43, 44, 48, 50, 51, 52, 53, 54, 55, 58, 70, 72, 75, 80, 81, 82, 83, 85, 93, 95, 128, 149, 152, 170, 171, 174, 184, 185, 187, 188, 189, 194, 198, 201, 203, 210, 212, 215, 217, 233, 235, 238, 242, 245]

cp's OEIS Frontend

A104426 Numbers k such that the digit 6 does not appear in the decimal expansion of k, Pk, Pk+k, Pk-k, or Pk*k, where Pk is the k-th prime.

Table of values

List of values

n	a(n)
1	1
2	3
3	4
4	7
5	8
6	9
7	10
8	11
9	12
10	13
11	20
12	21
13	22
14	25
15	30
16	33
17	35
18	37
19	41
20	43
21	44
22	48
23	50
24	51
25	52
26	53
27	54
28	55
29	58
30	70
31	72
32	75
33	80
34	81
35	82
36	83
37	85
38	93
39	95
40	128
41	149
42	152
43	170
44	171
45	174
46	184
47	185
48	187
49	188
50	189
51	194
52	198
53	201
54	203
55	210
56	212
57	215
58	217
59	233
60	235
61	238
62	242
63	245

n	a(n)
1	1
2	3
3	4
4	7
5	8
6	9
7	10
8	11
9	12
10	13
11	20
12	21
13	22
14	25
15	30
16	33
17	35
18	37
19	41
20	43
21	44
22	48
23	50
24	51
25	52
26	53
27	54
28	55
29	58
30	70
31	72
32	75
33	80
34	81
35	82
36	83
37	85
38	93
39	95
40	128
41	149
42	152
43	170
44	171
45	174
46	184
47	185
48	187
49	188
50	189
51	194
52	198
53	201
54	203
55	210
56	212
57	215
58	217
59	233
60	235
61	238
62	242
63	245

n	a(n)
1	1
2	3
3	4
4	7
5	8
6	9
7	10
8	11
9	12
10	13
11	20
12	21
13	22
14	25
15	30
16	33
17	35
18	37
19	41
20	43
21	44
22	48
23	50
24	51
25	52
26	53
27	54
28	55
29	58
30	70
31	72
32	75
33	80
34	81
35	82
36	83
37	85
38	93
39	95
40	128
41	149
42	152
43	170
44	171
45	174
46	184
47	185
48	187
49	188
50	189
51	194
52	198
53	201
54	203
55	210
56	212
57	215
58	217
59	233
60	235
61	238
62	242
63	245