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A278894 as a simple table

n a(n)
1 728
2 7709668
3 27351484380
4 69420349158080
5 143827898685401892
6 255381654976413401664
7 398752554782396916414790
8 556345120757052440184428640
9 701731665791093785660064537242 

[728,7709668,27351484380,69420349158080,
 143827898685401892,255381654976413401664,
 398752554782396916414790,
 556345120757052440184428640,
 701731665791093785660064537242]

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Last modified October 1 17:40 EDT 2023. Contains 365828 sequences. (Running on oeis4.)