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A255568 as a simple table

na(n)
163
2191
3223
4239
5247
6251
7253
8254
9639
10703
11735
12751
13759
14763
15765
16766
17831
18863
19879
20887
21891
22893
23894
24927
25943
26951
27955
28957
29958
30975
31983
32987
33989
34990
35999
361003
371005
381006
391011
401013
411014
421017
431018
441020
452303
462431
472495
482527
492543
502551
512555

[63,191,223,239,247,251,253,254,639,703,735,751,
 759,763,765,766,831,863,879,887,891,893,894,927,
 943,951,955,957,958,975,983,987,989,990,999,1003,
 1005,1006,1011,1013,1014,1017,1018,1020,2303,2431,
 2495,2527,2543,2551,2555]