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A172911 as a simple table

n a(n)
1 0
2 146
3 11455470
4 25512834226600
5 950699986010003704500
6 388015827514187438302900020000
7 1252647814330243252910452100864057894337
8 24848247984277498423162949237290870891470475838400 

[0,146,11455470,25512834226600,
 950699986010003704500,
 388015827514187438302900020000,
 1252647814330243252910452100864057894337,
 24848247984277498423162949237290870891470475838400\
 ]

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Last modified April 25 13:44 EDT 2024. Contains 371975 sequences. (Running on oeis4.)