A223381 - OEIS

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A223381 as a simple table

`n`		`a(n)`
`1`		`2`
`2`		`9`
`3`		`57`
`4`		`366`
`5`		`2358`
`6`		`15204`
`7`		`98052`
`8`		`632376`
`9`		`4078488`
`10`		`26304144`
`11`		`169648272`
`12`		`1094144736`
`13`		`7056675168`
`14`		`45511953984`
`15`		`293528880192`
`16`		`1893111501696`
`17`		`12209603211648`
`18`		`78745710676224`
`19`		`507869653293312`
`20`		`3275500119584256`

[2,9,57,366,2358,15204,98052,632376,4078488, 26304144,169648272,1094144736,7056675168, 45511953984,293528880192,1893111501696, 12209603211648,78745710676224,507869653293312, 3275500119584256]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)