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A266505 as a simple table

na(n)
0-1
11
23
35
45
511
613
727
831
965
1075
11157
12181
13379
14437
15915
161055
172209
182547
195333
206149
2112875
2214845
2331083
2435839
2575041
2686523
27181165
28208885
29437371
30504293
311055907
321217471
332549185
342939235
356154277
367095941
3714857739
3817131117
3935869755
4041358175
4186597249
4299847467

[-1,1,3,5,5,11,13,27,31,65,75,157,181,379,437,915,
 1055,2209,2547,5333,6149,12875,14845,31083,35839,
 75041,86523,181165,208885,437371,504293,1055907,
 1217471,2549185,2939235,6154277,7095941,14857739,
 17131117,35869755,41358175,86597249,99847467]