A281872 - OEIS

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A281872 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`1`
`3`		`3`
`4`		`8`
`5`		`24`
`6`		`74`
`7`		`238`
`8`		`786`
`9`		`2646`
`10`		`9071`
`11`		`31536`
`12`		`110967`
`13`		`394420`
`14`		`1414053`
`15`		`5107523`
`16`		`18568628`
`17`		`67894564`
`18`		`249513890`
`19`		`921134164`
`20`		`3414439996`
`21`		`12703212213`
`22`		`47419589969`
`23`		`177551521838`
`24`		`666655929561`
`25`		`2509526456940`
`26`		`9469082269965`
`27`		`35807434636137`
`28`		`135681047696427`

[1,1,1,3,8,24,74,238,786,2646,9071,31536,110967, 394420,1414053,5107523,18568628,67894564, 249513890,921134164,3414439996,12703212213, 47419589969,177551521838,666655929561, 2509526456940,9469082269965,35807434636137, 135681047696427]

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Last modified April 18 11:52 EDT 2024. Contains 371779 sequences. (Running on oeis4.)