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A209409 as a simple table

na(n)
00
10
20
30
40
54
615
737
887
9200
10448
11992
122160
134628
149823
1520699
1643335
1790246
18187068
19386192
20794560
211629944
223334975
236808073
2413870191
2528207552
2657274368
27116129280
28235165632
29475678200
30961190943
311940470231
323914210127
337889613022
3415891777084

[0,0,0,0,0,4,15,37,87,200,448,992,2160,4628,9823,
 20699,43335,90246,187068,386192,794560,1629944,
 3334975,6808073,13870191,28207552,57274368,
 116129280,235165632,475678200,961190943,
 1940470231,3914210127,7889613022,15891777084]