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A251745 as a simple table

na(n)
00
11
20
30
40
50
60
70
81
92
103
116
1212
1324
1448
1596
16192
17383
18764
191525
203044
216076
2212128
2324208
2448320
2596448
26192513
27384262
28766999
291530954
303055832
316099536
3212174864
3324301408
3448506368
3596820223
36193256184
37385745369
38769959784
391536863736
403067627936

[0,1,0,0,0,0,0,0,1,2,3,6,12,24,48,96,192,383,764,
 1525,3044,6076,12128,24208,48320,96448,192513,
 384262,766999,1530954,3055832,6099536,12174864,
 24301408,48506368,96820223,193256184,385745369,
 769959784,1536863736,3067627936]