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A149054 as a simple table

na(n)
01
11
23
310
440
5155
6660
72794
812298
954508
10246019
111118974
125142467
1323787738
14110771042
15518450180
162438101647
1711510929374
1854541727014
19259238260109
201235642708801
215904368990845
2228277470823716
23135705458477891
24652478353351991
253142499715336928
2615158778568759899
2773228161288914446

[1,1,3,10,40,155,660,2794,12298,54508,246019,
 1118974,5142467,23787738,110771042,518450180,
 2438101647,11510929374,54541727014,259238260109,
 1235642708801,5904368990845,28277470823716,
 135705458477891,652478353351991,3142499715336928,
 15158778568759899,73228161288914446]