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A340559 as a simple table

na(n)
10
21
33
45
57
69
715
817
951
1085
11119
12153
13255
14257
15273
16771
17819
181285
191317
201365
211397
221799
231831
241879
251911
262313
272409
282457
292553
303855
313951
323999
334095
344097
354369
3612291
3713107
3820485
3921029
4021845
4122389
4228679
4329223
4430039
4530583
4636873
4738505

[0,1,3,5,7,9,15,17,51,85,119,153,255,257,273,771,
 819,1285,1317,1365,1397,1799,1831,1879,1911,2313,
 2409,2457,2553,3855,3951,3999,4095,4097,4369,
 12291,13107,20485,21029,21845,22389,28679,29223,
 30039,30583,36873,38505]