A225121 - OEIS

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A225121 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`1`
`3`		`1`
`4`		`4`
`5`		`5`
`6`		`15`
`7`		`21`
`8`		`56`
`9`		`246`
`10`		`525`
`11`		`1573`
`12`		`5764`
`13`		`14092`
`14`		`41405`
`15`		`136995`
`16`		`772552`
`17`		`2148290`
`18`		`8806629`
`19`		`31679365`
`20`		`155743665`
`21`		`495240074`
`22`		`2049655762`
`23`		`7403470138`
`24`		`32627363920`
`25`		`207316068370`
`26`		`784695179515`
`27`		`3721285661481`
`28`		`16967347935561`
`29`		`82192321793926`
`30`		`455572563875425`

[1,1,1,1,4,5,15,21,56,246,525,1573,5764,14092, 41405,136995,772552,2148290,8806629,31679365, 155743665,495240074,2049655762,7403470138, 32627363920,207316068370,784695179515, 3721285661481,16967347935561,82192321793926, 455572563875425]

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Last modified August 30 07:09 EDT 2024. Contains 375532 sequences. (Running on oeis4.)