A000660 - OEIS

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A000660 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`5`
`3`		`14`
`4`		`41`
`5`		`136`
`6`		`523`
`7`		`2330`
`8`		`11857`
`9`		`67912`
`10`		`432291`
`11`		`3027166`
`12`		`23125673`
`13`		`191389108`
`14`		`1705788659`
`15`		`16289080922`
`16`		`165919213089`
`17`		`1795666675824`
`18`		`20576824369027`
`19`		`248892651678198`
`20`		`3168999664907705`
`21`		`42366404751871660`

[1,2,5,14,41,136,523,2330,11857,67912,432291, 3027166,23125673,191389108,1705788659,16289080922, 165919213089,1795666675824,20576824369027, 248892651678198,3168999664907705, 42366404751871660]

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Last modified April 23 15:20 EDT 2024. Contains 371916 sequences. (Running on oeis4.)