A215643 - OEIS

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A215643 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`2`
`3`		`15`
`4`		`104`
`5`		`890`
`6`		`8814`
`7`		`100660`
`8`		`1288048`
`9`		`18337680`
`10`		`286674960`
`11`		`4882660464`
`12`		`89880715704`
`13`		`1777384045944`
`14`		`37552294300416`
`15`		`843830334815640`
`16`		`20086549955304384`
`17`		`504750167170162944`
`18`		`13348550475903813120`
`19`		`370499740676381737728`
`20`		`10766442934111876381440`

[1,1,2,15,104,890,8814,100660,1288048,18337680, 286674960,4882660464,89880715704,1777384045944, 37552294300416,843830334815640,20086549955304384, 504750167170162944,13348550475903813120, 370499740676381737728,10766442934111876381440]

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)