A018191 - OEIS

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A018191 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`5`
`3`		`16`
`4`		`53`
`5`		`206`
`6`		`817`
`7`		`3620`
`8`		`16361`
`9`		`80218`
`10`		`401501`
`11`		`2139512`
`12`		`11641885`
`13`		`66599846`
`14`		`388962953`
`15`		`2367284236`
`16`		`14700573137`
`17`		`94523836850`
`18`		`619674301621`
`19`		`4186249123808`
`20`		`28809504493061`
`21`		`203556335785342`
`22`		`1463877667140065`
`23`		`10777146970619636`
`24`		`80686484464418233`

[1,2,5,16,53,206,817,3620,16361,80218,401501, 2139512,11641885,66599846,388962953,2367284236, 14700573137,94523836850,619674301621, 4186249123808,28809504493061,203556335785342, 1463877667140065,10777146970619636, 80686484464418233]

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Last modified April 18 18:58 EDT 2024. Contains 371781 sequences. (Running on oeis4.)