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A354315 as a simple table

na(n)
01
10
22
36
456
5480
65664
775600
81182208
920829312
10410768640
118943010560
12213187497984
135520777799680
14154333888579584
154631752470159360
16148523272512307200
175067610703150284800
18183308248516478828544
197006773595450681589760
20282194468488468121518080

[1,0,2,6,56,480,5664,75600,1182208,20829312,
 410768640,8943010560,213187497984,5520777799680,
 154333888579584,4631752470159360,
 148523272512307200,5067610703150284800,
 183308248516478828544,7006773595450681589760,
 282194468488468121518080]