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A250073 as a simple table

na(n)
01
12
24
38
416
532
6104
7208
8416
9832
101704
113408
1210816
1321632
1443304
1590608
16181216
17362432
181124904
192253808
204511616
219423232
2219250504
2338501008
24117402016
25235204032
26510412104
271021224208
282042452416
294125304832
3012251013704
3124542031408
3253124062816

[1,2,4,8,16,32,104,208,416,832,1704,3408,10816,
 21632,43304,90608,181216,362432,1124904,2253808,
 4511616,9423232,19250504,38501008,117402016,
 235204032,510412104,1021224208,2042452416,
 4125304832,12251013704,24542031408,53124062816]