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A336139 as a simple table

na(n)
01
11
21
35
49
517
645
781
8181
9397
10965
111729
123673
137313
1415401
1534065
1668617
17135069
18266701
19556969
201061921
212434385
224436157
239120869
2417811665
2535651301
2668949549
27136796317
28283612973
29537616261
301039994921
312081261717
323980842425
337723253181
3415027216049

[1,1,1,5,9,17,45,81,181,397,965,1729,3673,7313,
 15401,34065,68617,135069,266701,556969,1061921,
 2434385,4436157,9120869,17811665,35651301,
 68949549,136796317,283612973,537616261,1039994921,
 2081261717,3980842425,7723253181,15027216049]