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A217847 as a simple table

na(n)
10
21
3128
4129
52187
62315
72316
816384
918571
1018699
1118700
1278125
1394509
1496696
1596824
1696825
17279936
18358061
19374445
20376632
21376760
22376761
23823543
241103479
251181604
261197988
271200175
281200303
291200304
302097152
312920695
323200631
333278756
343295140

[0,1,128,129,2187,2315,2316,16384,18571,18699,
 18700,78125,94509,96696,96824,96825,279936,358061,
 374445,376632,376760,376761,823543,1103479,
 1181604,1197988,1200175,1200303,1200304,2097152,
 2920695,3200631,3278756,3295140]