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A012908 as a simple table

n a(n)
0 1
1 0
2 4
3 -6
4 43
5 -170
6 1300
7 -8085
8 74365
9 -622260
10 6828550
11 -71435375
12 916947475
13 -11485611150
14 169312686400
15 -2467472314125
16 41136075813625
17 -683273434337000
18 12720608899482250
19 -237102839757034875

[1,0,4,-6,43,-170,1300,-8085,74365,-622260,
 6828550,-71435375,916947475,-11485611150,
 169312686400,-2467472314125,41136075813625,
 -683273434337000,12720608899482250,
 -237102839757034875]

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Last modified April 23 16:40 EDT 2024. Contains 371916 sequences. (Running on oeis4.)