A015540 - OEIS

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A015540 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`5`
`3`		`31`
`4`		`185`
`5`		`1111`
`6`		`6665`
`7`		`39991`
`8`		`239945`
`9`		`1439671`
`10`		`8638025`
`11`		`51828151`
`12`		`310968905`
`13`		`1865813431`
`14`		`11194880585`
`15`		`67169283511`
`16`		`403015701065`
`17`		`2418094206391`
`18`		`14508565238345`
`19`		`87051391430071`
`20`		`522308348580425`

[0,1,5,31,185,1111,6665,39991,239945,1439671, 8638025,51828151,310968905,1865813431,11194880585, 67169283511,403015701065,2418094206391, 14508565238345,87051391430071,522308348580425]

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Last modified April 23 03:30 EDT 2024. Contains 371906 sequences. (Running on oeis4.)