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A160869 as a simple table

na(n)
11
212
391
4600
53751
622932
7138811
8836400
95028751
1030203052
11181308931
121088123400
136529545751
1439179682372
15235085301451
161410533397600
178463265086751
1850779784492892
19304679288612371
201828077476115000
2110968470088963751
2265810836228506612

[1,12,91,600,3751,22932,138811,836400,5028751,
 30203052,181308931,1088123400,6529545751,
 39179682372,235085301451,1410533397600,
 8463265086751,50779784492892,304679288612371,
 1828077476115000,10968470088963751,
 65810836228506612]