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A024495 as a simple table

na(n)
00
10
21
33
46
511
621
742
885
9171
10342
11683
121365
132730
145461
1510923
1621846
1743691
1887381
19174762
20349525
21699051
221398102
232796203
245592405
2511184810
2622369621
2744739243
2889478486
29178956971
30357913941
31715827882
321431655765
332863311531
345726623062

[0,0,1,3,6,11,21,42,85,171,342,683,1365,2730,5461,
 10923,21846,43691,87381,174762,349525,699051,
 1398102,2796203,5592405,11184810,22369621,
 44739243,89478486,178956971,357913941,715827882,
 1431655765,2863311531,5726623062]