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A009653 as a simple table

n a(n)
0 0
1 1
2 -1
3 1
4 -12
5 55
6 -255
7 2679
8 -23632
9 201245
10 -2409525
11 30433181
12 -383307804
13 5609915779
14 -89478694851
15 1470425213763
16 -26173709472960
17 501554172182201
18 -10043883092049993
19 212501921779526329
20 -4764376768067195020

[0,1,-1,1,-12,55,-255,2679,-23632,201245,-2409525,
 30433181,-383307804,5609915779,-89478694851,
 1470425213763,-26173709472960,501554172182201,
 -10043883092049993,212501921779526329,
 -4764376768067195020]

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Last modified March 29 04:59 EDT 2024. Contains 371264 sequences. (Running on oeis4.)