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A035881 as a simple table

na(n)
01
10
2200
30
46800
5512
6103000
728160
8935200
9366080
105805032
112562560
1227135920
1312446720
14102442360
1547297536
16328075840
17150492160
18922953480
19418401280
202339194064
211046003200
225442091160
232399654400
2411788144480
255127682560
2624036948520
2710321958400

[1,0,200,0,6800,512,103000,28160,935200,366080,
 5805032,2562560,27135920,12446720,102442360,
 47297536,328075840,150492160,922953480,418401280,
 2339194064,1046003200,5442091160,2399654400,
 11788144480,5127682560,24036948520,10321958400]