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A116364 as a simple table

na(n)
01
12
29
360
4490
54534
645689
7489920
85508000
964276492
10773029466
119531003552
12119990158054
131537695160070
1420009930706137
15263883333450760
163521003563829212
1747470845904561648
18645960472314074400

[1,2,9,60,490,4534,45689,489920,5508000,64276492,
 773029466,9531003552,119990158054,1537695160070,
 20009930706137,263883333450760,3521003563829212,
 47470845904561648,645960472314074400]