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A012611 as a simple table

n a(n)
0 0
1 2
2 4
3 -10
4 -2872
5 -158102
6 -16416820
7 -978422562
8 -208568114544
9 49226001618
10 -7815364604207468
11 2061047671608594374
12 -1093492387339592903336
13 671330623551827250908986
14 -418843222601740399516096420
15 353969402613094069055715957934

[0,2,4,-10,-2872,-158102,-16416820,-978422562,
 -208568114544,49226001618,-7815364604207468,
 2061047671608594374,-1093492387339592903336,
 671330623551827250908986,
 -418843222601740399516096420,
 353969402613094069055715957934]

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Last modified April 24 06:39 EDT 2024. Contains 371920 sequences. (Running on oeis4.)