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A346394 as a simple table

na(n)
00
11
25
320
478
5324
61520
78336
853872
9405600
103492416
1133798016
12362543104
134264455168
1454540715008
15753246711808
1611168972683264
17176937613586432
182982069587042304
1953271637651996672
201005385746384846848
2119987620914387812352
22417489079682758213632

[0,1,5,20,78,324,1520,8336,53872,405600,3492416,
 33798016,362543104,4264455168,54540715008,
 753246711808,11168972683264,176937613586432,
 2982069587042304,53271637651996672,
 1005385746384846848,19987620914387812352,
 417489079682758213632]