A025247 - OEIS

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A025247 as a simple table

`n`		`a(n)`
`1`		`2`
`2`		`0`
`3`		`1`
`4`		`2`
`5`		`4`
`6`		`9`
`7`		`22`
`8`		`56`
`9`		`146`
`10`		`388`
`11`		`1048`
`12`		`2869`
`13`		`7942`
`14`		`22192`
`15`		`62510`
`16`		`177308`
`17`		`506008`
`18`		`1451866`
`19`		`4185788`
`20`		`12119696`
`21`		`35227748`
`22`		`102753800`
`23`		`300672368`
`24`		`882373261`
`25`		`2596389190`
`26`		`7658677856`
`27`		`22642421206`
`28`		`67081765932`
`29`		`199128719896`
`30`		`592179010350`
`31`		`1764044315540`

[2,0,1,2,4,9,22,56,146,388,1048,2869,7942,22192, 62510,177308,506008,1451866,4185788,12119696, 35227748,102753800,300672368,882373261,2596389190, 7658677856,22642421206,67081765932,199128719896, 592179010350,1764044315540]

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Last modified April 20 00:03 EDT 2024. Contains 371798 sequences. (Running on oeis4.)