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A076287 as a simple table

na(n)
11
29
365
473
5513
6585
74097
84161
94681
1032769
1137449
12262145
13262657
14266305
15299593
162097153
172396745
1816777217
1916781313
2017043521
2119173961
22134217729
23134480385
24153391689
251073741825
261073774593
271090785345
281227133513
298589934593
309817068105

[1,9,65,73,513,585,4097,4161,4681,32769,37449,
 262145,262657,266305,299593,2097153,2396745,
 16777217,16781313,17043521,19173961,134217729,
 134480385,153391689,1073741825,1073774593,
 1090785345,1227133513,8589934593,9817068105]