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A242563 as a simple table

na(n)
00
10
22
33
46
510
621
742
886
9171
10342
11682
121365
132730
145462
1510923
1621846
1743690
1887381
19174762
20349526
21699051
221398102
232796202
245592405
2511184810
2622369622
2744739243
2889478486
29178956970
30357913941
31715827882
321431655766
332863311531
345726623062
3511453246122

[0,0,2,3,6,10,21,42,86,171,342,682,1365,2730,5462,
 10923,21846,43690,87381,174762,349526,699051,
 1398102,2796202,5592405,11184810,22369622,
 44739243,89478486,178956970,357913941,715827882,
 1431655766,2863311531,5726623062,11453246122]