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A121220 as a simple table

na(n)
11
23
311
444
5186
6813
73640
816590
976663
10358195
111688784
128022273
1338351973
14184353219
15890371070
164318095442
1721018564402
18102642526470
19502709028125
202468566918644
2112150769362815
2259937663454017

[1,3,11,44,186,813,3640,16590,76663,358195,
 1688784,8022273,38351973,184353219,890371070,
 4318095442,21018564402,102642526470,502709028125,
 2468566918644,12150769362815,59937663454017]