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A112240 as a simple table

n a(n)
0 1
1 1
2 3
3 25
4 217
5 2541
6 34531
7 550453
8 9957585
9 202137337
10 4543312771
11 112004037201
12 3003936136873
13 87057179039845
14 2710682505789987
15 90230919126896941
16 3197152300287286561
17 120131212083966304113

[1,1,3,25,217,2541,34531,550453,9957585,202137337,
 4543312771,112004037201,3003936136873,
 87057179039845,2710682505789987,90230919126896941,
 3197152300287286561,120131212083966304113]

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Last modified February 25 22:37 EST 2021. Contains 341618 sequences. (Running on oeis4.)