A219305 - OEIS

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A219305 as a simple table

`n`		`a(n)`
`1`		`4`
`2`		`18`
`3`		`90`
`4`		`423`
`5`		`1958`
`6`		`9233`
`7`		`43725`
`8`		`206269`
`9`		`971794`
`10`		`4583164`
`11`		`21622807`
`12`		`101988408`
`13`		`481001317`
`14`		`2268654909`
`15`		`10700463129`
`16`		`50469641870`
`17`		`238042556300`
`18`		`1122743524739`
`19`		`5295505220276`
`20`		`24976631418525`
`21`		`117804014337453`
`22`		`555630918690165`

[4,18,90,423,1958,9233,43725,206269,971794, 4583164,21622807,101988408,481001317,2268654909, 10700463129,50469641870,238042556300, 1122743524739,5295505220276,24976631418525, 117804014337453,555630918690165]

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)