A009121 - OEIS

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A009121 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`1`
`3`		`6`
`4`		`25`
`5`		`100`
`6`		`481`
`7`		`2954`
`8`		`20721`
`9`		`151848`
`10`		`1146721`
`11`		`9111982`
`12`		`77652169`
`13`		`710421452`
`14`		`6891125697`
`15`		`69961213170`
`16`		`738718169569`
`17`		`8108554524112`
`18`		`92647353941569`
`19`		`1101958783026134`
`20`		`13616813607795321`
`21`		`174287243264606388`
`22`		`2304515271134124577`
`23`		`31424734896799742170`

[1,0,1,6,25,100,481,2954,20721,151848,1146721, 9111982,77652169,710421452,6891125697,69961213170, 738718169569,8108554524112,92647353941569, 1101958783026134,13616813607795321, 174287243264606388,2304515271134124577, 31424734896799742170]

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)