A234557 - OEIS

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

A234557 as a simple table

`n`		`a(n)`
`1`		`70`
`2`		`220`
`3`		`618`
`4`		`1954`
`5`		`5506`
`6`		`17518`
`7`		`49506`
`8`		`158518`
`9`		`449170`
`10`		`1447510`
`11`		`4111458`
`12`		`13334374`
`13`		`37954546`
`14`		`123863638`
`15`		`353202306`
`16`		`1159606918`
`17`		`3311711890`
`18`		`10935135670`
`19`		`31268536098`
`20`		`103805608294`
`21`		`297121857586`
`22`		`991365572758`
`23`		`2839736979906`

[70,220,618,1954,5506,17518,49506,158518,449170, 1447510,4111458,13334374,37954546,123863638, 353202306,1159606918,3311711890,10935135670, 31268536098,103805608294,297121857586, 991365572758,2839736979906]

License Agreements, Terms of Use, Privacy Policy. .

Last modified September 8 20:40 EDT 2024. Contains 375759 sequences. (Running on oeis4.)