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A255839 as a simple table

na(n)
01
11
29
318
464
5172
6477
71368
83681
910485
1028701
1180829
12225090
13632160
141778553
155010948
1614181849
1740161357
18114151716
19324873027
20926918784
212649218580
227585705665
2321758756931
2462508649059
25179859399129
26518234494662
271495275239115
284319808231645
2912495043092609
3036183457564425

[1,1,9,18,64,172,477,1368,3681,10485,28701,80829,
 225090,632160,1778553,5010948,14181849,40161357,
 114151716,324873027,926918784,2649218580,
 7585705665,21758756931,62508649059,179859399129,
 518234494662,1495275239115,4319808231645,
 12495043092609,36183457564425]