A004345 - OEIS

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A004345 as a simple table

`n`		`a(n)`
`3`		`1`
`4`		`20`
`5`		`300`
`6`		`4060`
`7`		`52360`
`8`		`658008`
`9`		`8145060`
`10`		`99884400`
`11`		`1217566350`
`12`		`14783142660`
`13`		`179013799328`
`14`		`2163842859360`
`15`		`26123889412400`
`16`		`315136287090800`
`17`		`3799541229226200`
`18`		`45795673964460816`
`19`		`551876736990451095`

[1,20,300,4060,52360,658008,8145060,99884400, 1217566350,14783142660,179013799328,2163842859360, 26123889412400,315136287090800,3799541229226200, 45795673964460816,551876736990451095]

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Last modified April 23 20:33 EDT 2024. Contains 371916 sequences. (Running on oeis4.)