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A009055 as a simple table

n a(n)
0 1
1 -1
2 -11
3 -253
4 -9463
5 -491609
6 -30257347
7 -1480493589
8 177416283793
9 125705754161615
10 53738108098148101
11 22477151211215445843
12 9977406312993326490265
13 4802660699035958910256759

[1,-1,-11,-253,-9463,-491609,-30257347,
 -1480493589,177416283793,125705754161615,
 53738108098148101,22477151211215445843,
 9977406312993326490265,4802660699035958910256759]

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Last modified March 29 07:27 EDT 2024. Contains 371265 sequences. (Running on oeis4.)