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A086815 as a simple table

n a(n)
1 0
2 16
3 1458
4 196608
5 39062500
6 10883911680
7 4069338437094
8 1970324836974592
9 1200757082375992968
10 900000000000000000000
11 814027493868397611133210
12 874465319237299285467856896
13 1100799962319223399900795392108 

[0,16,1458,196608,39062500,10883911680,
 4069338437094,1970324836974592,
 1200757082375992968,900000000000000000000,
 814027493868397611133210,
 874465319237299285467856896,
 1100799962319223399900795392108]

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Last modified September 19 12:25 EDT 2024. Contains 376010 sequences. (Running on oeis4.)