A287255 - OEIS

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

A287255 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`2`
`3`		`5`
`4`		`15`
`5`		`52`
`6`		`203`
`7`		`876`
`8`		`4104`
`9`		`20666`
`10`		`111075`
`11`		`633704`
`12`		`3819875`
`13`		`24230302`
`14`		`161175189`
`15`		`1120918549`
`16`		`8129696204`
`17`		`61351621492`
`18`		`480802257296`
`19`		`3905922860317`
`20`		`32839970931663`
`21`		`285348575175351`
`22`		`2559007785431183`
`23`		`23657489230231038`
`24`		`225209876301752325`

[1,1,2,5,15,52,203,876,4104,20666,111075,633704, 3819875,24230302,161175189,1120918549,8129696204, 61351621492,480802257296,3905922860317, 32839970931663,285348575175351,2559007785431183, 23657489230231038,225209876301752325]

License Agreements, Terms of Use, Privacy Policy. .

Last modified July 10 00:23 EDT 2024. Contains 374191 sequences. (Running on oeis4.)