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A187751 as a simple table

na(n)
00
10
20
381
4225280
57991790625
61078848154238976
765180706714634067542224001
81650157594512930366268925848349310976
966807065275536807794426016376688705273224158387201

[0,0,0,81,225280,7991790625,1078848154238976,
 65180706714634067542224001,
 1650157594512930366268925848349310976,
 66807065275536807794426016376688705273224158387201\
 ]