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A008426 as a simple table

na(n)
01
10
220
30
4180
51024
6960
70
83380
910240
108424
110
1216320
1346080
1428800
150
1652020
17133120
1888660
190
20129064
21307200
22175680
230
24262080
25626688
26386920
270
28489600
291131520
30600960
310
32840500

[1,0,20,0,180,1024,960,0,3380,10240,8424,0,16320,
 46080,28800,0,52020,133120,88660,0,129064,307200,
 175680,0,262080,626688,386920,0,489600,1131520,
 600960,0,840500]