A221519 - OEIS

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A221519 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`6`
`3`		`10`
`4`		`36`
`5`		`94`
`6`		`274`
`7`		`768`
`8`		`2182`
`9`		`6170`
`10`		`17476`
`11`		`49470`
`12`		`140066`
`13`		`396544`
`14`		`1122694`
`15`		`3178538`
`16`		`8999012`
`17`		`25477790`
`18`		`72132146`
`19`		`204218880`
`20`		`578179846`
`21`		`1636929594`
`22`		`4634437764`
`23`		`13120914558`
`24`		`37147634242`
`25`		`105171535360`
`26`		`297759253766`

[0,6,10,36,94,274,768,2182,6170,17476,49470, 140066,396544,1122694,3178538,8999012,25477790, 72132146,204218880,578179846,1636929594, 4634437764,13120914558,37147634242,105171535360, 297759253766]

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Last modified April 23 03:30 EDT 2024. Contains 371906 sequences. (Running on oeis4.)