A266489 - OEIS

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A266489 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`2`
`3`		`12`
`4`		`132`
`5`		`2180`
`6`		`49098`
`7`		`1428602`
`8`		`51861128`
`9`		`2290563882`
`10`		`120711239660`
`11`		`7471093468410`
`12`		`535933804067208`
`13`		`44060201848627588`
`14`		`4111355981400939334`
`15`		`431786985294905499210`
`16`		`50663195235220478779600`
`17`		`6598130071439135197135148`
`18`		`948275969180128193372319072`
`19`		`149616545823954331322891664338`
`20`		`25794482347497414602697490580980`
`21`		`4838842400288250170248755274833588`

[1,1,2,12,132,2180,49098,1428602,51861128, 2290563882,120711239660,7471093468410, 535933804067208,44060201848627588, 4111355981400939334,431786985294905499210, 50663195235220478779600,6598130071439135197135148, 948275969180128193372319072, 149616545823954331322891664338, 25794482347497414602697490580980, 4838842400288250170248755274833588]

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)