A007553 - OEIS

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A007553 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`1`
`4`		`1`
`5`		`7`
`6`		`5`
`7`		`85`
`8`		`335`
`9`		`1135`
`10`		`15245`
`11`		`13475`
`12`		`717575`
`13`		`4256825`
`14`		`29782325`
`15`		`525045275`
`16`		`243258625`
`17`		`56809006625`
`18`		`415670267875`
`19`		`5068080417875`
`20`		`104229929847625`
`21`		`60861649495625`
`22`		`20784245979986875`
`23`		`169274937975443125`
`24`		`3318579283890780625`
`25`		`75028912866554839375`

[1,1,1,1,7,5,85,335,1135,15245,13475,717575, 4256825,29782325,525045275,243258625,56809006625, 415670267875,5068080417875,104229929847625, 60861649495625,20784245979986875, 169274937975443125,3318579283890780625, 75028912866554839375]

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Last modified April 23 22:36 EDT 2024. Contains 371917 sequences. (Running on oeis4.)