A203365 - OEIS

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A203365 as a simple table

`n`		`a(n)`
`1`		`2`
`2`		`9`
`3`		`30`
`4`		`110`
`5`		`390`
`6`		`1399`
`7`		`4998`
`8`		`17881`
`9`		`63940`
`10`		`228680`
`11`		`817820`
`12`		`2924801`
`13`		`10460002`
`14`		`37408329`
`15`		`133784090`
`16`		`478454630`
`17`		`1711106370`
`18`		`6119462399`
`19`		`21885149998`
`20`		`78268279361`
`21`		`279912339880`
`22`		`1001055838960`
`23`		`3580095086040`
`24`		`12803562326001`

[2,9,30,110,390,1399,4998,17881,63940,228680, 817820,2924801,10460002,37408329,133784090, 478454630,1711106370,6119462399,21885149998, 78268279361,279912339880,1001055838960, 3580095086040,12803562326001]

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Last modified August 28 06:46 EDT 2024. Contains 375477 sequences. (Running on oeis4.)