A172392 - OEIS

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A172392 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`4`
`2`		`30`
`3`		`280`
`4`		`2940`
`5`		`33264`
`6`		`396396`
`7`		`4907760`
`8`		`62573940`
`9`		`816621520`
`10`		`10861066216`
`11`		`146738321184`
`12`		`2008917492400`
`13`		`27815780664000`
`14`		`388924218927000`
`15`		`5484594083378400`
`16`		`77926940934668100`
`17`		`1114620641232714000`

[1,4,30,280,2940,33264,396396,4907760,62573940, 816621520,10861066216,146738321184,2008917492400, 27815780664000,388924218927000,5484594083378400, 77926940934668100,1114620641232714000]

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Last modified April 24 18:17 EDT 2024. Contains 371962 sequences. (Running on oeis4.)