A164870 - OEIS

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A164870 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`2`
`3`		`6`
`4`		`22`
`5`		`84`
`6`		`320`
`7`		`1212`
`8`		`4576`
`9`		`17256`
`10`		`65048`
`11`		`245184`
`12`		`924160`
`13`		`3483408`
`14`		`13129952`
`15`		`49490592`
`16`		`186544480`
`17`		`703140672`
`18`		`2650342784`
`19`		`9989916864`
`20`		`37654917376`
`21`		`141932392320`
`22`		`534984681344`
`23`		`2016513669120`
`24`		`7600829555200`
`25`		`28649748728064`
`26`		`107989278831104`
`27`		`407043163037184`

[1,2,6,22,84,320,1212,4576,17256,65048,245184, 924160,3483408,13129952,49490592,186544480, 703140672,2650342784,9989916864,37654917376, 141932392320,534984681344,2016513669120, 7600829555200,28649748728064,107989278831104, 407043163037184]

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Last modified June 7 08:05 EDT 2024. Contains 373160 sequences. (Running on oeis4.)