A057540 - OEIS

A057540 as a simple table

n	a(n)
1	1
2	41
3	71
4	169
5	209
6	239
7	281
8	391
9	449
10	559
11	601
12	631
13	671
14	769
15	799
16	839
17	841
18	881
19	911
20	1009
21	1049
22	1079
23	1121
24	1231
25	1289
26	1399
27	1441
28	1471
29	1511
30	1609
31	1639
32	1679
33	1681
34	1721
35	1751
36	1849
37	1889
38	1919
39	1961
40	2071
41	2129
42	2239
43	2281
44	2311
45	2351
46	2449

[1,41,71,169,209,239,281,391,449,559,601,631,671, 769,799,839,841,881,911,1009,1049,1079,1121,1231, 1289,1399,1441,1471,1511,1609,1639,1679,1681,1721, 1751,1849,1889,1919,1961,2071,2129,2239,2281,2311, 2351,2449]