A020074 - OEIS

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A020074 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`1`
`3`		`4`
`4`		`17`
`5`		`85`
`6`		`499`
`7`		`3422`
`8`		`26888`
`9`		`238157`
`10`		`2347553`
`11`		`25487720`
`12`		`302211542`
`13`		`3885576978`
`14`		`53842995267`
`15`		`799953072548`
`16`		`12684970150410`
`17`		`213832353964066`
`18`		`3818434892215473`
`19`		`72004772253206072`
`20`		`1429809049027949159`

[1,0,1,4,17,85,499,3422,26888,238157,2347553, 25487720,302211542,3885576978,53842995267, 799953072548,12684970150410,213832353964066, 3818434892215473,72004772253206072, 1429809049027949159]

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)