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A067930 as a simple table

na(n)
11
215
335
463
595
6143
7161
8215
9255
10287
11323
12485
13511
14575
15767
161023
171295
181457
191535
201727
211943
222047
232303
242915
253071
263455
273887
284095
294607
305183
315831
327775
339215
3410367
3511663
3612287
3713823
3816383
3917495
4018431
4120735
4224575
4326243
4431103
4532767

[1,15,35,63,95,143,161,215,255,287,323,485,511,
 575,767,1023,1295,1457,1535,1727,1943,2047,2303,
 2915,3071,3455,3887,4095,4607,5183,5831,7775,9215,
 10367,11663,12287,13823,16383,17495,18431,20735,
 24575,26243,31103,32767]