A003693 - OEIS

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A003693 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`2`
`3`		`3`
`4`		`18`
`5`		`54`
`6`		`222`
`7`		`779`
`8`		`2953`
`9`		`10771`
`10`		`40043`
`11`		`147462`
`12`		`545603`
`13`		`2013994`
`14`		`7442927`
`15`		`27490263`
`16`		`101563680`
`17`		`375176968`
`18`		`1386004383`
`19`		`5120092320`
`20`		`18914660608`
`21`		`69873991466`
`22`		`258127586367`
`23`		`953569519203`
`24`		`3522660270539`

[0,2,3,18,54,222,779,2953,10771,40043,147462, 545603,2013994,7442927,27490263,101563680, 375176968,1386004383,5120092320,18914660608, 69873991466,258127586367,953569519203, 3522660270539]

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Last modified May 17 18:25 EDT 2024. Contains 372603 sequences. (Running on oeis4.)