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A298340 as a simple table

na(n)
01
11
21
33
45
59
615
725
841
969
10113
11185
12303
13493
14801
151303
162113
173425
185553
198993
2014561
2123579
2238165
2361769
2499975
25161785
26261801
27423655
28685525
291109249
301794887
312904249
324699249
337603683
3412303117
3519906985
3632210405
3752117693
3884328401

[1,1,1,3,5,9,15,25,41,69,113,185,303,493,801,1303,
 2113,3425,5553,8993,14561,23579,38165,61769,99975,
 161785,261801,423655,685525,1109249,1794887,
 2904249,4699249,7603683,12303117,19906985,
 32210405,52117693,84328401]