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A013338 as a simple table

n a(n)
0 1
1 0
2 1
3 0
4 9
5 -20
6 177
7 -1260
8 7105
9 -99144
10 564049
11 -10278840
12 77134761
13 -1412196188
14 15082747617
15 -257693157540
16 3771722331457
17 -62330454304272
18 1150241027577697
19 -19671866661968880
20 420212562193269513

[1,0,1,0,9,-20,177,-1260,7105,-99144,564049,
 -10278840,77134761,-1412196188,15082747617,
 -257693157540,3771722331457,-62330454304272,
 1150241027577697,-19671866661968880,
 420212562193269513]

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Last modified July 25 13:05 EDT 2021. Contains 346290 sequences. (Running on oeis4.)