A206989 - OEIS

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A206989 as a simple table

`n`		`a(n)`
`1`		`7`
`2`		`49`
`3`		`174`
`4`		`840`
`5`		`3858`
`6`		`17460`
`7`		`80070`
`8`		`365784`
`9`		`1670838`
`10`		`7636416`
`11`		`34893438`
`12`		`159444240`
`13`		`728589330`
`14`		`3329288484`
`15`		`15213221238`
`16`		`69517022592`
`17`		`317658800982`
`18`		`1451545657152`
`19`		`6632855083422`
`20`		`30308909178984`
`21`		`138496917825186`
`22`		`632863297956804`

[7,49,174,840,3858,17460,80070,365784,1670838, 7636416,34893438,159444240,728589330,3329288484, 15213221238,69517022592,317658800982, 1451545657152,6632855083422,30308909178984, 138496917825186,632863297956804]

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Last modified April 25 09:56 EDT 2024. Contains 371967 sequences. (Running on oeis4.)