A261174 - OEIS

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A261174 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`9`
`3`		`30`
`4`		`90`
`5`		`248`
`6`		`650`
`7`		`1560`
`8`		`3560`
`9`		`7680`
`10`		`15786`
`11`		`31076`
`12`		`58905`
`13`		`107768`
`14`		`191180`
`15`		`329664`
`16`		`554038`
`17`		`909558`
`18`		`1461655`
`19`		`2302950`
`20`		`3563482`
`21`		`5422392`
`22`		`8124040`
`23`		`11997648`
`24`		`17482295`
`25`		`25156872`
`26`		`35779092`
`27`		`50330364`
`28`		`70072640`
`29`		`96615760`
`30`		`131999058`
`31`		`178786960`
`32`		`240186182`
`33`		`320179470`

[1,2,9,30,90,248,650,1560,3560,7680,15786,31076, 58905,107768,191180,329664,554038,909558,1461655, 2302950,3563482,5422392,8124040,11997648,17482295, 25156872,35779092,50330364,70072640,96615760, 131999058,178786960,240186182,320179470]

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