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A172839 as a simple table

n a(n)
1 19
2 7100821
3 811889208811800
4 4509741556140302851191900
5 472456616741846499933573760930072500
6 525065279695190719776277892214398176478661270000 

[19,7100821,811889208811800,
 4509741556140302851191900,
 472456616741846499933573760930072500,
 525065279695190719776277892214398176478661270000]

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Last modified September 12 02:35 EDT 2024. Contains 375842 sequences. (Running on oeis4.)