A002919 - OEIS

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A002919 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`6`
`2`		`24`
`3`		`90`
`4`		`318`
`5`		`1098`
`6`		`3696`
`7`		`12270`
`8`		`40224`
`9`		`130650`
`10`		`421176`
`11`		`1348998`
`12`		`4299018`
`13`		`13635630`
`14`		`43092888`
`15`		`135698970`
`16`		`426144654`
`17`		`1334488074`
`18`		`4170038328`
`19`		`13001153910`
`20`		`40464412482`
`21`		`125706293478`
`22`		`389962873920`
`23`		`1207855307874`
`24`		`3736709089176`
`25`		`11544946664622`
`26`		`35633199126576`

[1,6,24,90,318,1098,3696,12270,40224,130650, 421176,1348998,4299018,13635630,43092888, 135698970,426144654,1334488074,4170038328, 13001153910,40464412482,125706293478,389962873920, 1207855307874,3736709089176,11544946664622, 35633199126576]

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)