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A012613 as a simple table

n a(n)
0 0
1 2
2 4
3 350
4 7208
5 1278298
6 79874540
7 24248146806
8 3094746649296
9 1450703467495218
10 311518889830786132
11 210537148539150077966
12 67821849231894539132920
13 62959878878133692157576586

[0,2,4,350,7208,1278298,79874540,24248146806,
 3094746649296,1450703467495218,311518889830786132,
 210537148539150077966,67821849231894539132920,
 62959878878133692157576586]

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Last modified March 28 16:34 EDT 2024. Contains 371254 sequences. (Running on oeis4.)