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A024007 as a simple table

n a(n)
0 1
1 0
2 -511
3 -19682
4 -262143
5 -1953124
6 -10077695
7 -40353606
8 -134217727
9 -387420488
10 -999999999
11 -2357947690
12 -5159780351
13 -10604499372
14 -20661046783
15 -38443359374
16 -68719476735
17 -118587876496
18 -198359290367

[1,0,-511,-19682,-262143,-1953124,-10077695,
 -40353606,-134217727,-387420488,-999999999,
 -2357947690,-5159780351,-10604499372,-20661046783,
 -38443359374,-68719476735,-118587876496,
 -198359290367]

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)