A020054 - OEIS

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A020054 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`0`
`3`		`2`
`4`		`7`
`5`		`34`
`6`		`191`
`7`		`1255`
`8`		`9470`
`9`		`80933`
`10`		`772544`
`11`		`8146833`
`12`		`94058896`
`13`		`1180011610`
`14`		`15983793633`
`15`		`232491543752`
`16`		`3614186725611`
`17`		`59798362187391`
`18`		`1049189445651506`
`19`		`19457695173900667`
`20`		`380309496580785766`

[1,0,0,2,7,34,191,1255,9470,80933,772544,8146833, 94058896,1180011610,15983793633,232491543752, 3614186725611,59798362187391,1049189445651506, 19457695173900667,380309496580785766]

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)