A178874 - OEIS

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A178874 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`4`
`3`		`20`
`4`		`98`
`5`		`489`
`6`		`2442`
`7`		`12208`
`8`		`61036`
`9`		`305177`
`10`		`1525880`
`11`		`7629396`
`12`		`38146974`
`13`		`190734865`
`14`		`953674318`
`15`		`4768371584`
`16`		`23841857912`
`17`		`119209289553`
`18`		`596046447756`
`19`		`2980232238772`
`20`		`14901161193850`
`21`		`74505805969241`
`22`		`372529029846194`

[0,1,4,20,98,489,2442,12208,61036,305177,1525880, 7629396,38146974,190734865,953674318,4768371584, 23841857912,119209289553,596046447756, 2980232238772,14901161193850,74505805969241, 372529029846194]

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Last modified April 25 09:56 EDT 2024. Contains 371967 sequences. (Running on oeis4.)