A276666 - OEIS

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A276666 as a simple table

`n`		`a(n)`
`0`		`-1`
`1`		`0`
`2`		`2`
`3`		`10`
`4`		`42`
`5`		`168`
`6`		`660`
`7`		`2574`
`8`		`10010`
`9`		`38896`
`10`		`151164`
`11`		`587860`
`12`		`2288132`
`13`		`8914800`
`14`		`34767720`
`15`		`135727830`
`16`		`530365050`
`17`		`2074316640`
`18`		`8119857900`
`19`		`31810737420`
`20`		`124718287980`
`21`		`489325340400`
`22`		`1921133836440`
`23`		`7547311500300`
`24`		`29667795388452`
`25`		`116686713634848`
`26`		`459183826803800`

[-1,0,2,10,42,168,660,2574,10010,38896,151164, 587860,2288132,8914800,34767720,135727830, 530365050,2074316640,8119857900,31810737420, 124718287980,489325340400,1921133836440, 7547311500300,29667795388452,116686713634848, 459183826803800]

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Last modified April 23 16:40 EDT 2024. Contains 371916 sequences. (Running on oeis4.)