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A135321 as a simple table

n a(n)
0 1
1 90
2 656100
3 387420489000
4 18530201888518410000
5 71789798769185258877024900000
6 22528399544939174411840147874772641000000

[1,90,656100,387420489000,18530201888518410000,
 71789798769185258877024900000,
 22528399544939174411840147874772641000000]

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Last modified April 19 03:11 EDT 2019. Contains 322237 sequences. (Running on oeis4.)