A115138 - OEIS

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A115138 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`-1`
`2`		`1`
`3`		`15`
`4`		`113`
`5`		`783`
`6`		`5361`
`7`		`36879`
`8`		`255985`
`9`		`1794063`
`10`		`12689393`
`11`		`90505231`
`12`		`650379249`
`13`		`4705157135`
`14`		`34244198385`
`15`		`250572963855`
`16`		`1842382110705`
`17`		`13605619630095`
`18`		`100872203796465`
`19`		`750556607938575`
`20`		`5602962592235505`
`21`		`41952165966643215`
`22`		`314983352736153585`

[1,-1,1,15,113,783,5361,36879,255985,1794063, 12689393,90505231,650379249,4705157135, 34244198385,250572963855,1842382110705, 13605619630095,100872203796465,750556607938575, 5602962592235505,41952165966643215, 314983352736153585]

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Last modified April 23 15:20 EDT 2024. Contains 371916 sequences. (Running on oeis4.)