A274873 - OEIS

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A274873 as a simple table

`n`		`a(n)`
`9`		`1`
`10`		`4`
`11`		`70`
`12`		`280`
`13`		`2919`
`14`		`11676`
`15`		`94944`
`16`		`379776`
`17`		`2669361`
`18`		`10677444`
`19`		`68321994`
`20`		`273287976`
`21`		`1640345707`
`22`		`6561382828`
`23`		`37643205652`
`24`		`150572822608`
`25`		`836008721925`
`26`		`3344034887700`
`27`		`18122573826942`
`28`		`72490295307768`
`29`		`385781480224959`
`30`		`1543125920899836`
`31`		`8099850233307144`

[1,4,70,280,2919,11676,94944,379776,2669361, 10677444,68321994,273287976,1640345707,6561382828, 37643205652,150572822608,836008721925, 3344034887700,18122573826942,72490295307768, 385781480224959,1543125920899836,8099850233307144]

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Last modified April 24 18:05 EDT 2024. Contains 371962 sequences. (Running on oeis4.)