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A251748 as a simple table

na(n)
00
10
20
30
40
51
60
70
80
91
102
114
128
1316
1432
1563
16126
17252
18504
191007
202012
214020
228032
2316048
2432064
2564065
26128004
27255756
28511008
291021009
302040006
314075992
328143952
3316271856
3432511648
3564959231
36129790458
37259325160
38518139312
391035257615
402068475224

[0,0,0,0,0,1,0,0,0,1,2,4,8,16,32,63,126,252,504,
 1007,2012,4020,8032,16048,32064,64065,128004,
 255756,511008,1021009,2040006,4075992,8143952,
 16271856,32511648,64959231,129790458,259325160,
 518139312,1035257615,2068475224]