A006172 - OEIS

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A006172 as a simple table

`n`		`a(n)`
`0`		`4`
`1`		`2`
`2`		`9`
`3`		`10`
`4`		`42`
`5`		`79`
`6`		`252`
`7`		`582`
`8`		`1645`
`9`		`4106`
`10`		`11070`
`11`		`28459`
`12`		`75348`
`13`		`195898`
`14`		`515073`
`15`		`1344906`
`16`		`3526786`
`17`		`9223895`
`18`		`24163596`
`19`		`63236638`
`20`		`165595269`
`21`		`433469962`
`22`		`1134942774`
`23`		`2971150995`
`24`		`7778845732`
`25`		`20364843314`
`26`		`53316562617`
`27`		`139583423242`
`28`		`365436006810`
`29`		`956720876191`
`30`		`2504732642460`

[4,2,9,10,42,79,252,582,1645,4106,11070,28459, 75348,195898,515073,1344906,3526786,9223895, 24163596,63236638,165595269,433469962,1134942774, 2971150995,7778845732,20364843314,53316562617, 139583423242,365436006810,956720876191, 2504732642460]

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Last modified April 19 03:26 EDT 2024. Contains 371782 sequences. (Running on oeis4.)