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A000442 as a simple table

na(n)
01
11
28
3216
413824
51728000
6373248000
7128024064000
865548320768000
947784725839872000
1047784725839872000000
1163601470092869632000000
12109903340320478724096000000
13241457638684091756838912000000
14662559760549147780765974528000000
152236139191853373760085164032000000000

[1,1,8,216,13824,1728000,373248000,128024064000,
 65548320768000,47784725839872000,
 47784725839872000000,63601470092869632000000,
 109903340320478724096000000,
 241457638684091756838912000000,
 662559760549147780765974528000000,
 2236139191853373760085164032000000000]