A268321 - OEIS

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A268321 as a simple table

`n`		`a(n)`
`1`		`2`
`2`		`4`
`3`		`10`
`4`		`25`
`5`		`66`
`6`		`177`
`7`		`485`
`8`		`1348`
`9`		`3797`
`10`		`10812`
`11`		`31076`
`12`		`90015`
`13`		`262432`
`14`		`769199`
`15`		`2264475`
`16`		`6690450`
`17`		`19825011`
`18`		`58884842`
`19`		`175238730`
`20`		`522316253`
`21`		`1558776782`
`22`		`4656673837`
`23`		`13922711281`
`24`		`41654206400`
`25`		`124688153137`
`26`		`373402997944`
`27`		`1118614401040`

[2,4,10,25,66,177,485,1348,3797,10812,31076,90015, 262432,769199,2264475,6690450,19825011,58884842, 175238730,522316253,1558776782,4656673837, 13922711281,41654206400,124688153137,373402997944, 1118614401040]

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Last modified August 14 06:25 EDT 2024. Contains 375146 sequences. (Running on oeis4.)