A253526 - OEIS

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A253526 as a simple table

`n`		`a(n)`
`1`		`81`
`2`		`459`
`3`		`1963`
`4`		`7253`
`5`		`25165`
`6`		`85663`
`7`		`291511`
`8`		`997121`
`9`		`3427953`
`10`		`11826315`
`11`		`40885971`
`12`		`141512469`
`13`		`490082653`
`14`		`1697732055`
`15`		`5882051383`
`16`		`20380576545`
`17`		`70618256025`
`18`		`244694019755`
`19`		`847876017411`
`20`		`2937937280013`
`21`		`10180127318973`
`22`		`35274764991959`

[81,459,1963,7253,25165,85663,291511,997121, 3427953,11826315,40885971,141512469,490082653, 1697732055,5882051383,20380576545,70618256025, 244694019755,847876017411,2937937280013, 10180127318973,35274764991959]

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)