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A225470 as a simple table

na(n)
01
12
21
310
47
51
680
766
815
91
10880
11806
12231
1326
141
1512320
1612164
174040
18595
1940
201
21209440
22219108
2380844
2414155
251275
2657
271
284188800
294591600
301835988
31363944
3239655
332415
3477
351
3696342400
37109795600
3846819324
3910206700
401276009
4195200
424186
43100
441

[1,2,1,10,7,1,80,66,15,1,880,806,231,26,1,12320,
 12164,4040,595,40,1,209440,219108,80844,14155,
 1275,57,1,4188800,4591600,1835988,363944,39655,
 2415,77,1,96342400,109795600,46819324,10206700,
 1276009,95200,4186,100,1]