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A221116 as a simple table

n a(n)
1 0
2 0
3 51
4 3706
5 189762
6 9107191
7 423897591
8 19542896293
9 896843573267
10 41075163197254
11 1879441716510988
12 85958060741822727
13 3930554451621004497
14 179712606810281833146
15 8216432506372052839604
16 375645902985042283582854 

[0,0,51,3706,189762,9107191,423897591,19542896293,
 896843573267,41075163197254,1879441716510988,
 85958060741822727,3930554451621004497,
 179712606810281833146,8216432506372052839604,
 375645902985042283582854]

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Last modified May 14 06:43 EDT 2024. Contains 372528 sequences. (Running on oeis4.)