A287534 - cp's OEIS frontend

A287534 Composite numbers whose digits are restricted to 1, 3, 7, and 9.

n	a(n)
1	9
2	33
3	39
4	77
5	91
6	93
7	99
8	111
9	113
10	117
11	119
12	133
13	171
14	177
15	319
16	333
17	339
18	371
19	377
20	391
21	393
22	399
23	711
24	713
25	717
26	731
27	737
28	771
29	777
30	779
31	791
32	793
33	799
34	913
35	917
36	931
37	933
38	939
39	973
40	979
41	993
42	999

[9, 33, 39, 77, 91, 93, 99, 111, 113, 117, 119, 133, 171, 177, 319, 333, 339, 371, 377, 391, 393, 399, 711, 713, 717, 731, 737, 771, 777, 779, 791, 793, 799, 913, 917, 931, 933, 939, 973, 979, 993, 999]

cp's OEIS Frontend

A287534 Composite numbers whose digits are restricted to 1, 3, 7, and 9.

Table of values

List of values

n	a(n)
1	9
2	33
3	39
4	77
5	91
6	93
7	99
8	111
9	113
10	117
11	119
12	133
13	171
14	177
15	319
16	333
17	339
18	371
19	377
20	391
21	393
22	399
23	711
24	713
25	717
26	731
27	737
28	771
29	777
30	779
31	791
32	793
33	799
34	913
35	917
36	931
37	933
38	939
39	973
40	979
41	993
42	999

n	a(n)
1	9
2	33
3	39
4	77
5	91
6	93
7	99
8	111
9	113
10	117
11	119
12	133
13	171
14	177
15	319
16	333
17	339
18	371
19	377
20	391
21	393
22	399
23	711
24	713
25	717
26	731
27	737
28	771
29	777
30	779
31	791
32	793
33	799
34	913
35	917
36	931
37	933
38	939
39	973
40	979
41	993
42	999

n	a(n)
1	9
2	33
3	39
4	77
5	91
6	93
7	99
8	111
9	113
10	117
11	119
12	133
13	171
14	177
15	319
16	333
17	339
18	371
19	377
20	391
21	393
22	399
23	711
24	713
25	717
26	731
27	737
28	771
29	777
30	779
31	791
32	793
33	799
34	913
35	917
36	931
37	933
38	939
39	973
40	979
41	993
42	999