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A111927 as a simple table

na(n)
00
10
20
31
44
510
621
742
884
9169
10340
11682
121365
132730
145460
1510921
1621844
1743690
1887381
19174762
20349524
21699049
221398100
232796202
245592405
2511184810
2622369620
2744739241
2889478484
29178956970
30357913941
31715827882
321431655764
332863311529
345726623060

[0,0,0,1,4,10,21,42,84,169,340,682,1365,2730,5460,
 10921,21844,43690,87381,174762,349524,699049,
 1398100,2796202,5592405,11184810,22369620,
 44739241,89478484,178956970,357913941,715827882,
 1431655764,2863311529,5726623060]