A297974 - OEIS

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

A297974 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`6`
`3`		`20`
`4`		`109`
`5`		`1042`
`6`		`7302`
`7`		`60427`
`8`		`481401`
`9`		`3880101`
`10`		`31362126`
`11`		`253173482`
`12`		`2046556093`
`13`		`16538800168`
`14`		`133678574420`
`15`		`1080493649567`
`16`		`8733450448870`
`17`		`70591761501494`
`18`		`570587091826725`
`19`		`4612015763383176`
`20`		`37278608281287313`
`21`		`301320519515942968`

[0,6,20,109,1042,7302,60427,481401,3880101, 31362126,253173482,2046556093,16538800168, 133678574420,1080493649567,8733450448870, 70591761501494,570587091826725,4612015763383176, 37278608281287313,301320519515942968]

License Agreements, Terms of Use, Privacy Policy. .

Last modified September 12 07:52 EDT 2024. Contains 375850 sequences. (Running on oeis4.)