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A222146 as a simple table

na(n)
00
11
29
3116
42082
549774
61525752
758180632
82694333744
9148623965136
109611353576800
11719080605842400
1261545135592056960
135968396255982428800
14650359540100397012480
1579053322881277342886400
1610650510963204404347238400
171581353364394671905218406400

[0,1,9,116,2082,49774,1525752,58180632,2694333744,
 148623965136,9611353576800,719080605842400,
 61545135592056960,5968396255982428800,
 650359540100397012480,79053322881277342886400,
 10650510963204404347238400,
 1581353364394671905218406400]