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A191391 as a simple table

na(n)
00
11
21
33
45
512
622
749
893
9200
10386
11814
121586
133304
146476
1513381
1626333
1754096
18106762
19218386
20431910
21880616
221744436
233547658
247036530
2514281072
2628354132
2757451164
28114159428
29230993296
30459312152
31928319149
321846943453
333729244576
347423131482
3514975907754

[0,1,1,3,5,12,22,49,93,200,386,814,1586,3304,6476,
 13381,26333,54096,106762,218386,431910,880616,
 1744436,3547658,7036530,14281072,28354132,
 57451164,114159428,230993296,459312152,928319149,
 1846943453,3729244576,7423131482,14975907754]