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A172742 as a simple table

n a(n)
1 1
2 51
3 3391
4 194851
5 13130451
6 950563701
7 71936181801
8 5646492993891
9 455886376926451
10 37642786694586601
11 3165885061421056701
12 270372933455657475301
13 23391570666645297045541
14 2046340229879039857971651

[1,51,3391,194851,13130451,950563701,71936181801,
 5646492993891,455886376926451,37642786694586601,
 3165885061421056701,270372933455657475301,
 23391570666645297045541,2046340229879039857971651]

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Last modified October 6 23:36 EDT 2022. Contains 357270 sequences. (Running on oeis4.)