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A032019 formatted as a simple table:

n a(n)
1 2
2 4
3 48
4 1128
5 34320
6 1373520
7 66662400
8 3813742800
9 251390391840
10 18762435034560
11 1564074260179200
12 144043759065840480
13 14524339063446051840
14 1591480683038304938880

[2,4,48,1128,34320,1373520,66662400,3813742800,
 251390391840,18762435034560,1564074260179200,
 144043759065840480,14524339063446051840,
 1591480683038304938880]

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Last modified December 7 23:50 EST 2009. Contains 170430 sequences.


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