A020093 - OEIS

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A020093 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`1`
`3`		`2`
`4`		`5`
`5`		`22`
`6`		`117`
`7`		`749`
`8`		`5550`
`9`		`46705`
`10`		`439803`
`11`		`4581281`
`12`		`52302950`
`13`		`649428294`
`14`		`8713162940`
`15`		`125614765717`
`16`		`1936560971460`
`17`		`31791875948135`
`18`		`553708506096682`
`19`		`10197464987280555`
`20`		`198000778503030765`
`21`		`4042515894436878102`

[1,1,1,2,5,22,117,749,5550,46705,439803,4581281, 52302950,649428294,8713162940,125614765717, 1936560971460,31791875948135,553708506096682, 10197464987280555,198000778503030765, 4042515894436878102]

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Last modified April 18 20:10 EDT 2024. Contains 371781 sequences. (Running on oeis4.)