A188686 - OEIS

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A188686 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`4`
`2`		`22`
`3`		`139`
`4`		`934`
`5`		`6484`
`6`		`45931`
`7`		`329893`
`8`		`2393470`
`9`		`17499892`
`10`		`128732992`
`11`		`951674398`
`12`		`7064138779`
`13`		`52616241370`
`14`		`393052285291`
`15`		`2943582912904`
`16`		`22093111508686`
`17`		`166141033332448`
`18`		`1251528633163264`
`19`		`9442096410241438`
`20`		`71333250226656784`

[1,4,22,139,934,6484,45931,329893,2393470, 17499892,128732992,951674398,7064138779, 52616241370,393052285291,2943582912904, 22093111508686,166141033332448,1251528633163264, 9442096410241438,71333250226656784]

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Last modified April 23 18:16 EDT 2024. Contains 371916 sequences. (Running on oeis4.)