A171851 - OEIS

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A171851 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`0`
`2`		`0`
`3`		`1`
`4`		`4`
`5`		`14`
`6`		`46`
`7`		`140`
`8`		`412`
`9`		`1186`
`10`		`3354`
`11`		`9368`
`12`		`25920`
`13`		`71182`
`14`		`194322`
`15`		`527927`
`16`		`1428530`
`17`		`3852594`
`18`		`10360700`
`19`		`27795561`
`20`		`74414408`
`21`		`198862280`
`22`		`530590812`
`23`		`1413712094`
`24`		`3762056094`
`25`		`10000260036`
`26`		`26556402534`
`27`		`70459947925`
`28`		`186796151768`

[0,0,0,1,4,14,46,140,412,1186,3354,9368,25920, 71182,194322,527927,1428530,3852594,10360700, 27795561,74414408,198862280,530590812,1413712094, 3762056094,10000260036,26556402534,70459947925, 186796151768]

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Last modified April 27 02:24 EDT 2024. Contains 372004 sequences. (Running on oeis4.)