A001266 - OEIS

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A001266 as a simple table

`n`		`a(n)`
`2`		`0`
`3`		`0`
`4`		`1`
`5`		`7`
`6`		`45`
`7`		`323`
`8`		`2621`
`9`		`23811`
`10`		`239653`
`11`		`2648395`
`12`		`31889517`
`13`		`415641779`
`14`		`5830753109`
`15`		`87601592187`
`16`		`1403439027805`
`17`		`23883728565283`
`18`		`430284458893701`
`19`		`8181419271349931`
`20`		`163730286973255373`
`21`		`3440164703027845395`
`22`		`75718273707281368117`
`23`		`1742211593431076483419`

[0,0,1,7,45,323,2621,23811,239653,2648395, 31889517,415641779,5830753109,87601592187, 1403439027805,23883728565283,430284458893701, 8181419271349931,163730286973255373, 3440164703027845395,75718273707281368117, 1742211593431076483419]

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