A027290 - OEIS

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A027290 as a simple table

`n`		`a(n)`
`4`		`3`
`5`		`9`
`6`		`73`
`7`		`230`
`8`		`1335`
`9`		`4376`
`10`		`22144`
`11`		`74766`
`12`		`351558`
`13`		`1213965`
`14`		`5458347`
`15`		`19181130`
`16`		`83735127`
`17`		`298391598`
`18`		`1276135088`
`19`		`4599546922`
`20`		`19380537318`
`21`		`70514368558`
`22`		`293838981413`
`23`		`1077617352348`
`24`		`4452600188602`
`25`		`16440039884624`
`26`		`67481063581593`
`27`		`250610375841434`
`28`		`1023303550651792`

[3,9,73,230,1335,4376,22144,74766,351558,1213965, 5458347,19181130,83735127,298391598,1276135088, 4599546922,19380537318,70514368558,293838981413, 1077617352348,4452600188602,16440039884624, 67481063581593,250610375841434,1023303550651792]

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Last modified April 24 00:30 EDT 2024. Contains 371917 sequences. (Running on oeis4.)