A121633 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A121633 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`0`
`3`		`1`
`4`		`9`
`5`		`68`
`6`		`527`
`7`		`4408`
`8`		`40303`
`9`		`403046`
`10`		`4393339`
`11`		`51955528`
`12`		`663383135`
`13`		`9102982354`
`14`		`133668773755`
`15`		`2092209897524`
`16`		`34783032728383`
`17`		`612234346270510`
`18`		`11375905660965179`
`19`		`222544581264066400`
`20`		`4572536725690159999`
`21`		`98456173247669999978`
`22`		`2217126753620449439515`

[0,0,1,9,68,527,4408,40303,403046,4393339, 51955528,663383135,9102982354,133668773755, 2092209897524,34783032728383,612234346270510, 11375905660965179,222544581264066400, 4572536725690159999,98456173247669999978, 2217126753620449439515]

License Agreements, Terms of Use, Privacy Policy. .

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