A242172 - OEIS

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A242172 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`3`
`2`		`6`
`3`		`15`
`4`		`30`
`5`		`70`
`6`		`140`
`7`		`315`
`8`		`630`
`9`		`1386`
`10`		`2772`
`11`		`6006`
`12`		`12012`
`13`		`25740`
`14`		`51480`
`15`		`109395`
`16`		`218790`
`17`		`461890`
`18`		`923780`
`19`		`1939938`
`20`		`3879876`
`21`		`8112468`
`22`		`16224936`
`23`		`33801950`
`24`		`67603900`
`25`		`140408100`
`26`		`280816200`
`27`		`581690700`
`28`		`1163381400`
`29`		`2404321560`
`30`		`4808643120`
`31`		`9917826435`
`32`		`19835652870`

[1,3,6,15,30,70,140,315,630,1386,2772,6006,12012, 25740,51480,109395,218790,461890,923780,1939938, 3879876,8112468,16224936,33801950,67603900, 140408100,280816200,581690700,1163381400, 2404321560,4808643120,9917826435,19835652870]

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Last modified April 20 07:43 EDT 2024. Contains 371799 sequences. (Running on oeis4.)