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A081960 as a simple table

n a(n)
1 2
2 48
3 25920
4 522547200
5 632073093120000
6 68810005209415680000000
7 922882872556916481982464000000000
8 1930928443374224487368323197252403200000000000
9 848408612299117898787190662782756632189835673600000000000000

[2,48,25920,522547200,632073093120000,
 68810005209415680000000,
 922882872556916481982464000000000,
 1930928443374224487368323197252403200000000000,
 84840861229911789878719066278275663218983567360000\
 0000000000]

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Last modified March 28 04:13 EDT 2024. Contains 371235 sequences. (Running on oeis4.)