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A074334 as a simple table

na(n)
00
11
220
3234
42144
516750
6117432
7761460
84654848
927173718
10152867000
11834212236
124438175040
1323108423884
14118111709744
15594059985000
162946077521920
1714429322555750
1869892354873080
19335194270938780
201593211647720000
217511501237722020
2235153884344493200

[0,1,20,234,2144,16750,117432,761460,4654848,
 27173718,152867000,834212236,4438175040,
 23108423884,118111709744,594059985000,
 2946077521920,14429322555750,69892354873080,
 335194270938780,1593211647720000,7511501237722020,
 35153884344493200]