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A049454 as a simple table

na(n)
01
12
23
37
411
527
631
767
883
9119
10135
11235
12251
13395
14431
15495
16559
17815
18851
191175
201239
211383
221483
231967
242031
252431
262575
272899
283043
293827
303891
314791
325047
335447
345703
356279
366423
377719
388043
398619
408875
4110475
4210619
4312383

[1,2,3,7,11,27,31,67,83,119,135,235,251,395,431,
 495,559,815,851,1175,1239,1383,1483,1967,2031,
 2431,2575,2899,3043,3827,3891,4791,5047,5447,5703,
 6279,6423,7719,8043,8619,8875,10475,10619,12383]