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A088021 as a simple table

n a(n)
0 1
1 1
2 6
3 10080
4 36324288000
5 1077167364120207360000
6 717579719887926731226850787328000000
7 23946596436219275985459662514223331478629410406400000000

[1,1,6,10080,36324288000,1077167364120207360000,
 717579719887926731226850787328000000,
 23946596436219275985459662514223331478629410406400\
 000000]

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Last modified March 29 10:22 EDT 2024. Contains 371268 sequences. (Running on oeis4.)