A245551 - OEIS

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A245551 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`5`
`2`		`25`
`3`		`105`
`4`		`420`
`5`		`1596`
`6`		`5880`
`7`		`21120`
`8`		`74415`
`9`		`258115`
`10`		`883883`
`11`		`2994355`
`12`		`10051860`
`13`		`33479460`
`14`		`110750580`
`15`		`364177332`
`16`		`1191186855`
`17`		`3877914915`
`18`		`12571302975`
`19`		`40598200335`
`20`		`130657125984`
`21`		`419173385400`
`22`		`1340928798300`
`23`		`4278305877300`
`24`		`13617034683525`
`25`		`43243221276801`
`26`		`137040737988105`

[1,5,25,105,420,1596,5880,21120,74415,258115, 883883,2994355,10051860,33479460,110750580, 364177332,1191186855,3877914915,12571302975, 40598200335,130657125984,419173385400, 1340928798300,4278305877300,13617034683525, 43243221276801,137040737988105]

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