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A013391 as a simple table

n a(n)
0 0
1 3
2 23
3 721
4 25199
5 1716121
6 141920855
7 20103619537
8 4016386229855
9 1241116799607721
10 494609567396520071
11 244232906612554953633
12 140315440295583485315151
13 92810530303082004433849401 

[0,3,23,721,25199,1716121,141920855,20103619537,
 4016386229855,1241116799607721,494609567396520071,
 244232906612554953633,140315440295583485315151,
 92810530303082004433849401]

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Last modified August 11 23:45 EDT 2024. Contains 375082 sequences. (Running on oeis4.)