A027986 - OEIS

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A027986 as a simple table

`n`		`a(n)`
`2`		`20`
`3`		`100`
`4`		`420`
`5`		`1694`
`6`		`6746`
`7`		`26735`
`8`		`105722`
`9`		`417613`
`10`		`1648692`
`11`		`6507197`
`12`		`25681362`
`13`		`101359219`
`14`		`400094756`
`15`		`1579568360`
`16`		`6237401648`
`17`		`24635828774`
`18`		`97327071806`
`19`		`384596629610`
`20`		`1520138671688`
`21`		`6009885957464`
`22`		`23765835521966`
`23`		`94003008751940`

[20,100,420,1694,6746,26735,105722,417613,1648692, 6507197,25681362,101359219,400094756,1579568360, 6237401648,24635828774,97327071806,384596629610, 1520138671688,6009885957464,23765835521966, 94003008751940]

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Last modified April 19 15:34 EDT 2024. Contains 371794 sequences. (Running on oeis4.)