A189980 - OEIS

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A189980 as a simple table

`n`		`a(n)`
`10`		`1`
`11`		`1`
`12`		`6`
`13`		`6`
`14`		`21`
`15`		`21`
`16`		`56`
`17`		`56`
`18`		`126`
`19`		`126`
`20`		`252`
`21`		`252`
`22`		`462`
`23`		`462`
`24`		`792`
`25`		`792`
`26`		`1287`
`27`		`1287`
`28`		`2002`
`29`		`2002`
`30`		`3003`
`31`		`3003`
`32`		`4368`
`33`		`4368`
`34`		`6188`
`35`		`6188`
`36`		`8568`
`37`		`8568`
`38`		`11628`
`39`		`11628`
`40`		`15504`
`41`		`15504`
`42`		`20349`
`43`		`20349`
`44`		`26334`
`45`		`26334`
`46`		`33649`
`47`		`33649`

[1,1,6,6,21,21,56,56,126,126,252,252,462,462,792, 792,1287,1287,2002,2002,3003,3003,4368,4368,6188, 6188,8568,8568,11628,11628,15504,15504,20349, 20349,26334,26334,33649,33649]

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