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A112361 as a simple table

na(n)
11
22
35
48
517
635
753
8107
9215
10323
11647
12971
131943
143887
155831
1611663
1723327
1846655
1969983
20139967
21209951
22419903
23839807
241259711
252519423
265038847
277558271
2815116543
2922674815
3045349631
3190699263
32136048895
33272097791
34544195583

[1,2,5,8,17,35,53,107,215,323,647,971,1943,3887,
 5831,11663,23327,46655,69983,139967,209951,419903,
 839807,1259711,2519423,5038847,7558271,15116543,
 22674815,45349631,90699263,136048895,272097791,
 544195583]