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A258671 as a simple table

n a(n)
0 0
1 1
2 3
3 127
4 1361953
5 14961046326601
6 433366367372593816560481
7 74029504174329565838647515081008812321
8 147684970947386323832216294475743896349724799651361817601 

[0,1,3,127,1361953,14961046326601,
 433366367372593816560481,
 74029504174329565838647515081008812321,
 14768497094738632383221629447574389634972479965136\
 1817601]

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Last modified September 12 20:35 EDT 2024. Contains 375854 sequences. (Running on oeis4.)