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A138035 as a simple table

na(n)
01
11
23
37
413
521
635
771
8169
9409
10931
111959
123829
137021
1412203
1520351
1633233
1755217
1899043
19201895
20465501
211147717
222857075
236941815
2416228985
2536368201
2678183171
27161651143
28322440517
29622370973

[1,1,3,7,13,21,35,71,169,409,931,1959,3829,7021,
 12203,20351,33233,55217,99043,201895,465501,
 1147717,2857075,6941815,16228985,36368201,
 78183171,161651143,322440517,622370973]