A019928 - OEIS

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A019928 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`20`
`2`		`269`
`3`		`3040`
`4`		`31161`
`5`		`300300`
`6`		`2775109`
`7`		`24887960`
`8`		`218303921`
`9`		`1882786180`
`10`		`16026538749`
`11`		`135010883280`
`12`		`1127921219881`
`13`		`9359429537660`
`14`		`77233958267189`
`15`		`634411837477000`
`16`		`5191228487083041`
`17`		`42342127346986740`

[1,20,269,3040,31161,300300,2775109,24887960, 218303921,1882786180,16026538749,135010883280, 1127921219881,9359429537660,77233958267189, 634411837477000,5191228487083041, 42342127346986740]

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Last modified April 25 10:22 EDT 2024. Contains 371967 sequences. (Running on oeis4.)