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A323540 as a simple table

na(n)
00
11
232
32025
4204800
530525625
66307891200
71727713080625
8606076928000000
9265058191985900625
10141409376995328000000
1190403125002859606705625
1268229510086445571768320000
1360026603304487418050791015625
1460893916244529680380723200000000

[0,1,32,2025,204800,30525625,6307891200,
 1727713080625,606076928000000,265058191985900625,
 141409376995328000000,90403125002859606705625,
 68229510086445571768320000,
 60026603304487418050791015625,
 60893916244529680380723200000000]