A149423 - OEIS

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A149423 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`4`
`3`		`12`
`4`		`56`
`5`		`211`
`6`		`1025`
`7`		`4307`
`8`		`21204`
`9`		`94266`
`10`		`467078`
`11`		`2145817`
`12`		`10669555`
`13`		`50053958`
`14`		`249384307`
`15`		`1186640955`
`16`		`5919439517`
`17`		`28450917045`
`18`		`142033418623`
`19`		`687720200014`
`20`		`3434955791348`
`21`		`16724912981263`
`22`		`83563256781361`
`23`		`408630153079305`
`24`		`2042102527291284`
`25`		`10020026867440662`
`26`		`50081965879762276`
`27`		`246408793434070306`

[1,1,4,12,56,211,1025,4307,21204,94266,467078, 2145817,10669555,50053958,249384307,1186640955, 5919439517,28450917045,142033418623,687720200014, 3434955791348,16724912981263,83563256781361, 408630153079305,2042102527291284, 10020026867440662,50081965879762276, 246408793434070306]

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)