A000521 - OEIS

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A000521 as a simple table

`n`		`a(n)`
`-1`		`1`
`0`		`744`
`1`		`196884`
`2`		`21493760`
`3`		`864299970`
`4`		`20245856256`
`5`		`333202640600`
`6`		`4252023300096`
`7`		`44656994071935`
`8`		`401490886656000`
`9`		`3176440229784420`
`10`		`22567393309593600`
`11`		`146211911499519294`
`12`		`874313719685775360`
`13`		`4872010111798142520`
`14`		`25497827389410525184`
`15`		`126142916465781843075`

[1,744,196884,21493760,864299970,20245856256, 333202640600,4252023300096,44656994071935, 401490886656000,3176440229784420, 22567393309593600,146211911499519294, 874313719685775360,4872010111798142520, 25497827389410525184,126142916465781843075]

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Last modified April 16 07:57 EDT 2024. Contains 371698 sequences. (Running on oeis4.)