A145620 - OEIS

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A145620 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`2`
`3`		`5`
`4`		`140`
`5`		`35`
`6`		`770`
`7`		`5005`
`8`		`40040`
`9`		`510510`
`10`		`646646`
`11`		`323323`
`12`		`29745716`
`13`		`14300825`
`14`		`12257850`
`15`		`59246275`
`16`		`29386152400`
`17`		`7346538100`
`18`		`77138650050`
`19`		`475688341975`
`20`		`24735793782700`
`21`		`253541886272675`
`22`		`21804602219450050`
`23`		`10902301109725025`

[1,2,5,140,35,770,5005,40040,510510,646646,323323, 29745716,14300825,12257850,59246275,29386152400, 7346538100,77138650050,475688341975, 24735793782700,253541886272675,21804602219450050, 10902301109725025]

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Last modified April 24 15:57 EDT 2024. Contains 371961 sequences. (Running on oeis4.)