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A036070 as a simple table

na(n)
01
110
280
3560
43584
521504
6122880
7675840
83604480
918743296
1095420416
11477102080
122348810240
1311408506880
1454760833024
15260113956864
161224065679360
175712306503680
1826456998543360
19121702193299456

[1,10,80,560,3584,21504,122880,675840,3604480,
 18743296,95420416,477102080,2348810240,
 11408506880,54760833024,260113956864,
 1224065679360,5712306503680,26456998543360,
 121702193299456]