A153640 - OEIS

A153640 as a simple table

n	a(n)
1	1009
2	1019
3	1049
4	1061
5	1069
6	1091
7	1109
8	1181
9	1409
10	1481
11	1489
12	1499
13	1601
14	1609
15	1619
16	1669
17	1699
18	1801
19	1811
20	1861
21	1889
22	1901
23	1949
24	1999
25	4001
26	4019
27	4049
28	4091
29	4099
30	4111
31	4409
32	4441
33	4481
34	4649
35	4691
36	4801
37	4861
38	4889
39	4909
40	4919
41	4969
42	4999
43	6011

[1009,1019,1049,1061,1069,1091,1109,1181,1409, 1481,1489,1499,1601,1609,1619,1669,1699,1801,1811, 1861,1889,1901,1949,1999,4001,4019,4049,4091,4099, 4111,4409,4441,4481,4649,4691,4801,4861,4889,4909, 4919,4969,4999,6011]