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A028543 as a simple table

na(n)
01
10
20
36726
451490
5522538
62819011
715598126
866776089
9278409356
101012789015
113553473100
1211459870045
1335680739958
14104848228086
15298518570528
16814386983257
172161013972842
185546772124012
1913896849891232
2033892153400144
2180925183641844
22188938349276850

[1,0,0,6726,51490,522538,2819011,15598126,
 66776089,278409356,1012789015,3553473100,
 11459870045,35680739958,104848228086,298518570528,
 814386983257,2161013972842,5546772124012,
 13896849891232,33892153400144,80925183641844,
 188938349276850]