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A009452 as a simple table

n a(n)
0 0
1 1
2 -1
3 3
4 -8
5 26
6 -46
7 -542
8 12272
9 -196204
10 2970284
11 -46125412
12 747689152
13 -12796612984
14 231568711464
15 -4435090726232
16 89781803413632
17 -1918433012222064
18 43187041330469744
19 -1022364892192828752

[0,1,-1,3,-8,26,-46,-542,12272,-196204,2970284,
 -46125412,747689152,-12796612984,231568711464,
 -4435090726232,89781803413632,-1918433012222064,
 43187041330469744,-1022364892192828752]

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Last modified April 18 11:02 EDT 2024. Contains 371779 sequences. (Running on oeis4.)