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A012618 as a simple table

n a(n)
0 0
1 2
2 4
3 350
4 7208
5 1520218
6 106485740
7 38051376246
8 6123846322896
9 3217389043510578
10 964215477538459732
11 692917532440212444686
12 338776184246581290006520
13 318786053587029917056642186 

[0,2,4,350,7208,1520218,106485740,38051376246,
 6123846322896,3217389043510578,964215477538459732,
 692917532440212444686,338776184246581290006520,
 318786053587029917056642186]

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Last modified April 19 17:39 EDT 2024. Contains 371797 sequences. (Running on oeis4.)