A207886 - OEIS

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A207886 as a simple table

`n`		`a(n)`
`1`		`9`
`2`		`81`
`3`		`177`
`4`		`575`
`5`		`1360`
`6`		`3106`
`7`		`8652`
`8`		`22114`
`9`		`53620`
`10`		`139806`
`11`		`360132`
`12`		`899952`
`13`		`2300016`
`14`		`5898082`
`15`		`14925674`
`16`		`37975776`
`17`		`96993892`
`18`		`246541258`
`19`		`627068300`
`20`		`1598281686`
`21`		`4067781864`
`22`		`10349972204`
`23`		`26357799164`
`24`		`67101532924`
`25`		`170780094962`

[9,81,177,575,1360,3106,8652,22114,53620,139806, 360132,899952,2300016,5898082,14925674,37975776, 96993892,246541258,627068300,1598281686, 4067781864,10349972204,26357799164,67101532924, 170780094962]

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)