A220227 - OEIS

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A220227 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`6`
`3`		`18`
`4`		`51`
`5`		`157`
`6`		`477`
`7`		`1445`
`8`		`4384`
`9`		`13297`
`10`		`40332`
`11`		`122339`
`12`		`371085`
`13`		`1125588`
`14`		`3414184`
`15`		`10356065`
`16`		`31412486`
`17`		`95281776`
`18`		`289013030`
`19`		`876647491`
`20`		`2659087097`
`21`		`8065664119`
`22`		`24465139829`
`23`		`74208776604`
`24`		`225093441705`
`25`		`682763681270`
`26`		`2070989900565`

[1,6,18,51,157,477,1445,4384,13297,40332,122339, 371085,1125588,3414184,10356065,31412486,95281776, 289013030,876647491,2659087097,8065664119, 24465139829,74208776604,225093441705,682763681270, 2070989900565]

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)