A054628 - OEIS

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A054628 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`9`
`2`		`45`
`3`		`249`
`4`		`1665`
`5`		`11817`
`6`		`88725`
`7`		`683289`
`8`		`5381685`
`9`		`43046889`
`10`		`348684381`
`11`		`2852823609`
`12`		`23535840225`
`13`		`195528140649`
`14`		`1634056945605`
`15`		`13726075481049`
`16`		`115813764494505`
`17`		`981010688215689`
`18`		`8338590871415805`
`19`		`71097458824894329`
`20`		`607883273127192897`

[1,9,45,249,1665,11817,88725,683289,5381685, 43046889,348684381,2852823609,23535840225, 195528140649,1634056945605,13726075481049, 115813764494505,981010688215689,8338590871415805, 71097458824894329,607883273127192897]

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Last modified April 25 09:34 EDT 2024. Contains 371967 sequences. (Running on oeis4.)