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A072034 as a simple table

na(n)
01
11
26
354
4680
511000
6217392
75076400
8136761984
94175432064
10142469423360
115372711277824
12221903307604992
139961821300640768
14482982946946734080
1525150966159083264000
161400031335107317628928
1782960293298087664648192

[1,1,6,54,680,11000,217392,5076400,136761984,
 4175432064,142469423360,5372711277824,
 221903307604992,9961821300640768,
 482982946946734080,25150966159083264000,
 1400031335107317628928,82960293298087664648192]