A019231 - OEIS

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A019231 as a simple table

`n`		`a(n)`
`3`		`0`
`4`		`1`
`5`		`2`
`6`		`4`
`7`		`8`
`8`		`18`
`9`		`40`
`10`		`98`
`11`		`220`
`12`		`533`
`13`		`1374`
`14`		`3123`
`15`		`7891`
`16`		`20758`
`17`		`51623`
`18`		`134426`
`19`		`350099`
`20`		`896154`
`21`		`2334491`
`22`		`6080296`
`23`		`15820903`
`24`		`41484494`
`25`		`108963192`
`26`		`286929392`
`27`		`758672816`
`28`		`2009479756`
`29`		`5336446323`
`30`		`14205462811`
`31`		`37882139049`

[0,1,2,4,8,18,40,98,220,533,1374,3123,7891,20758, 51623,134426,350099,896154,2334491,6080296, 15820903,41484494,108963192,286929392,758672816, 2009479756,5336446323,14205462811,37882139049]

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Last modified April 25 06:14 EDT 2024. Contains 371964 sequences. (Running on oeis4.)