A045906 - OEIS

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A045906 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`4`
`3`		`12`
`4`		`51`
`5`		`205`
`6`		`907`
`7`		`4000`
`8`		`18048`
`9`		`81719`
`10`		`373104`
`11`		`1710740`
`12`		`7882346`
`13`		`36457711`
`14`		`169252176`
`15`		`788326910`
`16`		`3683071949`
`17`		`17255713627`
`18`		`81056265252`
`19`		`381668770108`
`20`		`1801189604231`
`21`		`8517995996495`
`22`		`40360819400887`
`23`		`191589552910532`

[1,1,4,12,51,205,907,4000,18048,81719,373104, 1710740,7882346,36457711,169252176,788326910, 3683071949,17255713627,81056265252,381668770108, 1801189604231,8517995996495,40360819400887, 191589552910532]

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Last modified April 23 03:30 EDT 2024. Contains 371906 sequences. (Running on oeis4.)