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A089478 as a simple table

na(n)
00
11
21
31
410
53
6338
784
83
942976
1010020
111200
1260
1321040112
144851360
151213920
16144720
1743560
183600
1939882864736
209240051240
213868663680
22768723480
23418703040
2463612360
2546569600
266438600
275014800
28529200
29292604283435872

[0,1,1,1,10,3,338,84,3,42976,10020,1200,60,
 21040112,4851360,1213920,144720,43560,3600,
 39882864736,9240051240,3868663680,768723480,
 418703040,63612360,46569600,6438600,5014800,
 529200,292604283435872]