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A291172 as a simple table

n a(n)
1 1
2 4
3 131
4 14118
5 2976853
6 1013582110
7 508233789579
8 352755124921122
9 324039613564554401
10 380751174738424280720
11 557175918657122229139987
12 993806827312044893602464496

[1,4,131,14118,2976853,1013582110,508233789579,
 352755124921122,324039613564554401,
 380751174738424280720,557175918657122229139987,
 993806827312044893602464496]

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Last modified November 13 02:24 EST 2018. Contains 317119 sequences. (Running on oeis4.)