A220456 - OEIS

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A220456 as a simple table

`n`		`a(n)`
`1`		`2`
`2`		`4`
`3`		`22`
`4`		`74`
`5`		`250`
`6`		`848`
`7`		`2851`
`8`		`9535`
`9`		`31888`
`10`		`106775`
`11`		`357028`
`12`		`1193927`
`13`		`3992279`
`14`		`13348541`
`15`		`44630321`
`16`		`149215567`
`17`		`498878032`
`18`		`1667898396`
`19`		`5576255601`
`20`		`18642932177`
`21`		`62328230082`
`22`		`208379401186`
`23`		`696665636518`
`24`		`2329130179184`
`25`		`7786871066006`

[2,4,22,74,250,848,2851,9535,31888,106775,357028, 1193927,3992279,13348541,44630321,149215567, 498878032,1667898396,5576255601,18642932177, 62328230082,208379401186,696665636518, 2329130179184,7786871066006]

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Last modified June 11 01:51 EDT 2024. Contains 373288 sequences. (Running on oeis4.)