A017770 - OEIS

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A017770 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`54`
`2`		`1431`
`3`		`24804`
`4`		`316251`
`5`		`3162510`
`6`		`25827165`
`7`		`177100560`
`8`		`1040465790`
`9`		`5317936260`
`10`		`23930713170`
`11`		`95722852680`
`12`		`343006888770`
`13`		`1108176102180`
`14`		`3245372870670`
`15`		`8654327655120`
`16`		`21094923659355`
`17`		`47153358767970`
`18`		`96926348578605`
`19`		`183649923622620`
`20`		`321387366339585`

[1,54,1431,24804,316251,3162510,25827165, 177100560,1040465790,5317936260,23930713170, 95722852680,343006888770,1108176102180, 3245372870670,8654327655120,21094923659355, 47153358767970,96926348578605,183649923622620, 321387366339585]

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Last modified April 24 19:06 EDT 2024. Contains 371962 sequences. (Running on oeis4.)