A279460 - OEIS

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A279460 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`2`
`3`		`6`
`4`		`20`
`5`		`66`
`6`		`210`
`7`		`658`
`8`		`2036`
`9`		`6236`
`10`		`18928`
`11`		`57032`
`12`		`170790`
`13`		`508748`
`14`		`1508462`
`15`		`4454576`
`16`		`13107640`
`17`		`38446722`
`18`		`112448726`
`19`		`328044512`
`20`		`954771282`
`21`		`2772970950`
`22`		`8038036642`
`23`		`23258558892`
`24`		`67190053760`
`25`		`193807573324`
`26`		`558249440024`
`27`		`1605908314802`

[0,2,6,20,66,210,658,2036,6236,18928,57032,170790, 508748,1508462,4454576,13107640,38446722, 112448726,328044512,954771282,2772970950, 8038036642,23258558892,67190053760,193807573324, 558249440024,1605908314802]

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Last modified April 19 08:45 EDT 2024. Contains 371782 sequences. (Running on oeis4.)