A003778 - OEIS

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A003778 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`22`
`3`		`132`
`4`		`1006`
`5`		`4324`
`6`		`26996`
`7`		`109722`
`8`		`602804`
`9`		`2434670`
`10`		`12287118`
`11`		`49852352`
`12`		`237425498`
`13`		`969300694`
`14`		`4434629912`
`15`		`18203944458`
`16`		`80978858522`
`17`		`333840165288`
`18`		`1456084764388`
`19`		`6021921661718`
`20`		`25904211802080`

[1,22,132,1006,4324,26996,109722,602804,2434670, 12287118,49852352,237425498,969300694,4434629912, 18203944458,80978858522,333840165288, 1456084764388,6021921661718,25904211802080]

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Last modified April 18 09:35 EDT 2024. Contains 371779 sequences. (Running on oeis4.)