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A102244 as a simple table

na(n)
01
11
25
342
4544
510020
6246840
77790160
8305234496
914493790080
10818125056000
1154040182134400
124122847701941760
13359308852504842240
1435434445974210483200
153922092526740740352000
16483768942063738966835200
1766076388642496229027430400
189938208084601523840431718400

[1,1,5,42,544,10020,246840,7790160,305234496,
 14493790080,818125056000,54040182134400,
 4122847701941760,359308852504842240,
 35434445974210483200,3922092526740740352000,
 483768942063738966835200,
 66076388642496229027430400,
 9938208084601523840431718400]