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A044432 as a simple table

na(n)
01
12
25
311
422
545
690
7181
8363
9726
101453
112907
125814
1311629
1423258
1546517
1693035
17186070
18372141
19744282
201488565
212977131
225954262
2311908525
2423817051
2547634102
2695268205
27190536410
28381072821

[1,2,5,11,22,45,90,181,363,726,1453,2907,5814,
 11629,23258,46517,93035,186070,372141,744282,
 1488565,2977131,5954262,11908525,23817051,
 47634102,95268205,190536410,381072821]