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A123188 as a simple table

n a(n)
1 1
2 0
3 2
4 -8
5 52
6 -312
7 1920
8 -11752
9 72040
10 -441448
11 2705368
12 -16579176
13 101601976
14 -622645288
15 3815745720
16 -23383962344
17 143303497848
18 -878204132520
19 5381881888440
20 -32981685665896
21 202121044650488
22 -1238654600718888
23 7590823719249208
24 -46518702391430632

[1,0,2,-8,52,-312,1920,-11752,72040,-441448,
 2705368,-16579176,101601976,-622645288,3815745720,
 -23383962344,143303497848,-878204132520,
 5381881888440,-32981685665896,202121044650488,
 -1238654600718888,7590823719249208,
 -46518702391430632]

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Last modified April 18 13:10 EDT 2024. Contains 371780 sequences. (Running on oeis4.)