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A045756 as a simple table

n a(n)
0 1
1 1
2 10
3 190
4 5320
5 196840
6 9054640
7 498005200
8 31872332800
9 2326680294400
10 190787784140800
11 17361688356812800
12 1736168835681280000
13 189242403089259520000
14 22330603564532623360000
15 2835986652695643166720000
16 385694184766607470673920000
17 55925656791158083247718400000 

[1,1,10,190,5320,196840,9054640,498005200,
 31872332800,2326680294400,190787784140800,
 17361688356812800,1736168835681280000,
 189242403089259520000,22330603564532623360000,
 2835986652695643166720000,
 385694184766607470673920000,
 55925656791158083247718400000]

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Last modified August 7 01:21 EDT 2024. Contains 375002 sequences. (Running on oeis4.)