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A288964 as a simple table

na(n)
00
10
22
316
4116
5888
67416
767968
8682272
97467840
1088678080
111136712960
1215655438080
13230672171520
143621985113600
1560392753971200
161065907048550400
1719855856150323200
18389354639411404800
198017578241634304000
20172991656889856000000
213903132531903897600000

[0,0,2,16,116,888,7416,67968,682272,7467840,
 88678080,1136712960,15655438080,230672171520,
 3621985113600,60392753971200,1065907048550400,
 19855856150323200,389354639411404800,
 8017578241634304000,172991656889856000000,
 3903132531903897600000]