A219969 - OEIS

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A219969 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`2`
`3`		`4`
`4`		`8`
`5`		`28`
`6`		`65`
`7`		`170`
`8`		`456`
`9`		`1177`
`10`		`3068`
`11`		`8016`
`12`		`21028`
`13`		`54696`
`14`		`142908`
`15`		`374527`
`16`		`976022`
`17`		`2551162`
`18`		`6674999`
`19`		`17422250`
`20`		`45536000`
`21`		`119053392`
`22`		`310969076`
`23`		`812695944`
`24`		`2124175469`
`25`		`5550025712`
`26`		`14503987368`
`27`		`37905500955`
`28`		`99050326532`
`29`		`258846292750`
`30`		`676453686574`

[1,0,2,4,8,28,65,170,456,1177,3068,8016,21028, 54696,142908,374527,976022,2551162,6674999, 17422250,45536000,119053392,310969076,812695944, 2124175469,5550025712,14503987368,37905500955, 99050326532,258846292750,676453686574]

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Last modified July 31 03:16 EDT 2024. Contains 374774 sequences. (Running on oeis4.)