A005439 - OEIS

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A005439 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`2`
`3`		`8`
`4`		`56`
`5`		`608`
`6`		`9440`
`7`		`198272`
`8`		`5410688`
`9`		`186043904`
`10`		`7867739648`
`11`		`401293838336`
`12`		`24290513745920`
`13`		`1721379917619200`
`14`		`141174819474169856`
`15`		`13266093250285568000`
`16`		`1415974941618255921152`
`17`		`170361620874699124637696`
`18`		`22948071824232932086513664`
`19`		`3439933090471867097102680064`

[1,1,2,8,56,608,9440,198272,5410688,186043904, 7867739648,401293838336,24290513745920, 1721379917619200,141174819474169856, 13266093250285568000,1415974941618255921152, 170361620874699124637696, 22948071824232932086513664, 3439933090471867097102680064]

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Last modified April 19 04:35 EDT 2024. Contains 371782 sequences. (Running on oeis4.)