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A009052 as a simple table

n a(n)
0 1
1 0
2 -12
3 240
4 -2352
5 -136320
6 15140928
7 -971093760
8 28387408128
9 4688909905920
10 -1262963768650752
11 191995869733662720
12 -17544464368915034112
13 -1212607904700871311360
14 1171249187182930708021248

[1,0,-12,240,-2352,-136320,15140928,-971093760,
 28387408128,4688909905920,-1262963768650752,
 191995869733662720,-17544464368915034112,
 -1212607904700871311360,1171249187182930708021248]

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Last modified May 25 19:13 EDT 2019. Contains 323576 sequences. (Running on oeis4.)