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A159280 as a simple table

n a(n)
0 1
1 2
2 -238
3 -1444
4 169900
5 1737592
6 -202103816
7 -2927191216
8 336509481872
9 6340061157920
10 -720237529201376
11 -16783423060569152
12 1883705456612924608
13 52506471481118666624
14 -5821124423542023483520
15 -189534174225114089489152
16 20751613309007317066199296

[1,2,-238,-1444,169900,1737592,-202103816,
 -2927191216,336509481872,6340061157920,
 -720237529201376,-16783423060569152,
 1883705456612924608,52506471481118666624,
 -5821124423542023483520,-189534174225114089489152,
 20751613309007317066199296]

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Last modified July 11 17:24 EDT 2020. Contains 335626 sequences. (Running on oeis4.)