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A111721 as a simple table

na(n)
01
11
27
313
425
543
673
7121
8199
9325
10529
11859
121393
132257
143655
155917
169577
1715499
1825081
1940585
2065671
21106261
22171937
23278203
24450145
25728353
261178503
271906861
283085369
294992235
308077609
3113069849
3221147463
3334217317
3455364785
3589582107

[1,1,7,13,25,43,73,121,199,325,529,859,1393,2257,
 3655,5917,9577,15499,25081,40585,65671,106261,
 171937,278203,450145,728353,1178503,1906861,
 3085369,4992235,8077609,13069849,21147463,
 34217317,55364785,89582107]