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A349821 as a simple table

na(n)
10
21
35
47
511
619
731
847
979
10103
11159
12191
13239
14303
15383
16479
17511
18767
19831
20863
21895
22959
23991
241119
251311
261343
271503
281631
291791
301983
312367
322559
332687
342879
352943
363391
374415
384671
394735
404799
415439
426463
436591
446719
457359
469343
4711263
4812415
4921503
5023039
5136607
5250687
5351967
5456319
5556831
5663231
5764767

[0,1,5,7,11,19,31,47,79,103,159,191,239,303,383,
 479,511,767,831,863,895,959,991,1119,1311,1343,
 1503,1631,1791,1983,2367,2559,2687,2879,2943,3391,
 4415,4671,4735,4799,5439,6463,6591,6719,7359,9343,
 11263,12415,21503,23039,36607,50687,51967,56319,
 56831,63231,64767]