A045803 - OEIS

A045803 as a simple table

n	a(n)
1	17
2	19
3	31
4	33
5	117
6	119
7	131
8	133
9	217
10	219
11	231
12	233
13	317
14	319
15	331
16	333
17	417
18	419
19	431
20	433
21	517
22	519
23	531
24	533
25	617
26	619
27	631
28	633
29	717
30	719
31	731
32	733
33	817
34	819
35	831
36	833
37	917
38	919
39	931
40	933
41	1017
42	1019
43	1031
44	1033
45	1117
46	1119
47	1131
48	1133
49	1217
50	1219

[17,19,31,33,117,119,131,133,217,219,231,233,317, 319,331,333,417,419,431,433,517,519,531,533,617, 619,631,633,717,719,731,733,817,819,831,833,917, 919,931,933,1017,1019,1031,1033,1117,1119,1131, 1133,1217,1219]