A004988 - OEIS

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A004988 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`6`
`2`		`45`
`3`		`360`
`4`		`2970`
`5`		`24948`
`6`		`212058`
`7`		`1817640`
`8`		`15677145`
`9`		`135868590`
`10`		`1182056733`
`11`		`10316131488`
`12`		`90266150520`
`13`		`791564704560`
`14`		`6954461332920`
`15`		`61199259729696`
`16`		`539318476367946`
`17`		`4758692438540700`
`18`		`42035116540442850`
`19`		`371678925199705200`
`20`		`3289358488017391020`

[1,6,45,360,2970,24948,212058,1817640,15677145, 135868590,1182056733,10316131488,90266150520, 791564704560,6954461332920,61199259729696, 539318476367946,4758692438540700, 42035116540442850,371678925199705200, 3289358488017391020]

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