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A009576 as a simple table

n a(n)
0 0
1 1
2 -1
3 6
4 -18
5 115
6 -615
7 4732
8 -36148
9 337797
10 -3315645
11 37027826
12 -440999526
13 5768129783
14 -80507865347
15 1210608394920
16 -19345811001000
17 329208442723465
18 -5922785067664185
19 112578608999452894
20 -2251115252850724090

[0,1,-1,6,-18,115,-615,4732,-36148,337797,
 -3315645,37027826,-440999526,5768129783,
 -80507865347,1210608394920,-19345811001000,
 329208442723465,-5922785067664185,
 112578608999452894,-2251115252850724090]

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Last modified May 17 19:53 EDT 2024. Contains 372607 sequences. (Running on oeis4.)