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A073986 as a simple table

na(n)
10
22
39
454
5300
61296
76300
839312
9262440
101679616
1110349856
1262355744
13369476640
142179768320
1512958657344
1677751944064
17468419708160
182821109907456
1916957996040448
20101753146100736
21609954817881600
223656158440062976
2321926115464435712
24131557435432187904

[0,2,9,54,300,1296,6300,39312,262440,1679616,
 10349856,62355744,369476640,2179768320,
 12958657344,77751944064,468419708160,
 2821109907456,16957996040448,101753146100736,
 609954817881600,3656158440062976,
 21926115464435712,131557435432187904]