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A181992 as a simple table

n a(n)
0 1
1 1
2 5
3 1513
4 60376809
5 613498040952501
6 2655748106132754540814283
7 7350748555338515554166266981278924209
8 18155845241010181420704703186769135339279915667193169
9 53121946985233865823079732996510797894348260342024814486694637630897821 

[1,1,5,1513,60376809,613498040952501,
 2655748106132754540814283,
 7350748555338515554166266981278924209,
 18155845241010181420704703186769135339279915667193\
 169,
 53121946985233865823079732996510797894348260342024\
 814486694637630897821]

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Last modified July 17 20:28 EDT 2024. Contains 374377 sequences. (Running on oeis4.)